Refactoring structs Part 1

include/dawn/dawn.h

@@ -7,6 +7,10 @@
 #include "libs.h"
 
 // Display / Rendering
+#include "display/debug/grid.h"
+
+#include "display/gui/font.h"
+
 #include "display/camera.h"
 #include "display/framebuffer.h"
 #include "display/primitive.h"
@@ -16,26 +20,26 @@
 #include "display/texture.h"
 #include "display/tileset.h"
 
-#include "display/debug/grid.h"
-#include "display/debug/position.h"
+// Game Engine
+#include "engine/engine.h"
 
-#include "display/gui/font.h"
+// Time Management
+#include "epoch/epoch.h"
 
 // File / Asset Management
 #include "file/asset.h"
 
-// Game Logic / Game Time Management
+// Game Logic
 #include "game/game.h"
-#include "game/gametime.h"
 
 // Player Input
 #include "input/input.h"
 
 // Poker Game Logic
-#include "poker/action.h"
 #include "poker/card.h"
 #include "poker/chip.h"
 #include "poker/player.h"
+#include "poker/poker.h"
 #include "poker/render.h"
 
 // Utility Objects

include/dawn/display/debug/position.h

@@ -1,27 +0,0 @@
-/**
- * Copyright (c) 2021 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#pragma once
-#include "../../libs.h"
-#include "../primitive.h"
-#include "../texture.h"
-#include "../tileset.h"
-
-#define POSITION_DEBUG_FONT_CHARS_MAX 256
-
-/** Struct representing a positionable object in space */
-typedef struct {
-  primitive_t *primitive;
-
-  spritebatch_t *textBatch;
-  texture_t *textTexture;
-  tileset_t *textTileset;
-
-  float x, y, z;
-  float pitch, yaw, roll;
-  float scaleX, scaleY, scaleZ;
-} positiondebug_t;

include/dawn/display/framebuffer.h

@@ -12,5 +12,5 @@
 typedef struct {
   GLuint fboId;
   GLuint rboId;
-  texture_t *texture;
+  texture_t texture;
 } framebuffer_t;

include/dawn/display/render.h

@@ -13,7 +13,4 @@
 typedef struct {
   /** Resolution (in pixels) */
   int32_t width, height;
-} render_t;
-
-/** Current render state */
-extern render_t RENDER_STATE;
+} render_t;

include/dawn/display/spritebatch.h

@@ -17,5 +17,5 @@ typedef struct {
   int32_t currentSprite;
 
   /** Internal primitive */
-  primitive_t *primitive;
+  primitive_t primitive;
 } spritebatch_t;

include/dawn/engine/engine.h

@@ -0,0 +1,22 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "../display/render.h"
+#include "../input/input.h"
+#include "../epoch/epoch.h"
+
+typedef struct {
+  /** Time Manager for the game */
+  epoch_t time;
+
+  /** Render Manager for the game */
+  render_t render;
+
+  /** Input Manager for the game */
+  input_t input;
+} engine_t;

include/dawn/epoch/epoch.h

@@ -7,9 +7,8 @@
 
 #pragma once
 
-#define GAMETIME_FIXED_STEP 0.016
-#define GAMETIME_SMALLEST_STEP 0.001
-
+#define EPOCH_FIXED_STEP 0.016
+#define EPOCH_SMALLEST_STEP 0.001
 
 typedef struct {
   /**
@@ -39,6 +38,4 @@ typedef struct {
    * Fixed timestep that is not affected by framerate but remains consistent.
    */
   float fixedDelta;
-} gametime_t;
-
-extern gametime_t TIME_STATE;
+} epoch_t;

include/dawn/game/game.h

@@ -5,72 +5,22 @@
 
 #pragma once
 #include "../libs.h"
-#include "../display/shader.h"
-#include "../display/camera.h"
-#include "../poker/card.h"
-#include "../poker/player.h"
-#include "../poker/render.h"
-#include "../poker/action.h"
-#include "../display/render.h"
-#include "../display/spritebatch.h"
-#include "../display/texture.h"
-#include "../display/tileset.h"
-#include "../display/framebuffer.h"
+#include "../engine/engine.h"
+#include "../poker/poker.h"
 
 /** Name of the current game */
 #define GAME_NAME "Dawn"
 
+
 /** Describes the current game */
 typedef struct {
   char *name;
-  
-  /** Current Card Deck */
-  card_t deck[CARD_DECK_SIZE];
-  uint8_t deckSize;
 
-  /** Dealer Money */
-  uint32_t blindSmall;
-  uint32_t blindBig;
-  uint32_t pot;
+  /** Engine for the game */
+  engine_t engine;
 
-  /** Dealer Hand */
-  card_t cards[HOLDEM_DEALER_HAND];
-  uint8_t cardsFacing;
-
-  /** Player States */
-  pokerplayer_t players[POKER_PLAYER_COUNT];
-
-  /** Action Queue */
-  pokeraction_t actionQueue[POKER_ACTION_QUEUE_SIZE];
-  void *actionData[POKER_ACTION_DATA_SIZE*POKER_ACTION_QUEUE_SIZE];
-  bool actionInitState[POKER_ACTION_DATA_SIZE];
-
-  /** Rendering Assets */
-  texture_t *kagamiTexture;
-  tileset_t *kagamiTileset;
-  primitive_t *kagamiQuad;
-
-  primitive_t *chipPrimitive;
-  texture_t *chipTexture;
-  primitive_t *tablePrimitive;
-  texture_t *tableTexture;
-
-  texture_t *cardTexture;
-  tileset_t *cardTileset;
-  primitive_t *cardPrimitive;
-
-  texture_t *fontTexture;
-  tileset_t *fontTileset;
-  spritebatch_t *fontBatch;
-
-  shader_t *shaderWorld;
-  framebuffer_t *frameLeft;
-  framebuffer_t *frameRight;
-  primitive_t *quadLeft;
-  primitive_t *quadRight;
-  camera_t cameraMain;
-  camera_t cameraLeft;
-  camera_t cameraRight;
+  /** Poker Game State */
+  poker_t poker;
 } game_t;
 
 /** The current running game state. */

include/dawn/input/input.h

@@ -7,7 +7,6 @@
 #include "../libs.h"
 #include "../util/list.h"
 
-
 /** Debug Inputs */
 #define INPUT_NULL        (inputbind_t)0x00
 #define INPUT_DEBUG_UP    (inputbind_t)0x01
@@ -75,7 +74,4 @@ typedef struct {
 
   /** Float of the GameTime that the input was actuated last. */
   float times[INPUT_BIND_COUNT];
-} input_t;
-
-/** The current input state */
-extern input_t INPUT_STATE;
+} input_t;

include/dawn/poker/action.h

@@ -1,25 +0,0 @@
-/**
- * Copyright (c) 2021 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#pragma once
-#include "../libs.h"
-
-/** How many actions the queue can hold */
-#define POKER_ACTION_QUEUE_SIZE 12
-
-/** How much data (in length of sizeof size_t) each action has available */
-#define POKER_ACTION_DATA_SIZE 256
-
-/** Callback for actions to use */
-typedef void (*pokerActionCallback)(int32_t index, void *data);
-
-/** Poker Game action that can be queued and executed */
-typedef struct {
-  pokerActionCallback init;
-  pokerActionCallback update;
-  pokerActionCallback dispose;
-} pokeraction_t;

include/dawn/poker/player.h

@@ -7,9 +7,7 @@
 
 #pragma once
 #include "../libs.h"
-
-/** How many cards the dealer can hold in their hand */
-#define HOLDEM_DEALER_HAND 5
+#include "card.h"
 
 /** How many cards a player can hold in their hand */
 #define POKER_PLAYER_HAND 2

include/dawn/poker/poker.h

@@ -0,0 +1,84 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "../libs.h"
+#include "player.h"
+#include "card.h"
+
+#include "../display/tileset.h"
+#include "../display/primitive.h"
+#include "../display/texture.h"
+#include "../display/shader.h"
+#include "../display/camera.h"
+#include "../display/spritebatch.h"
+
+/** Rounds that the game can be in */
+#define POKER_ROUND_DEAL 0x00
+#define POKER_ROUND_BLINDS 0x01
+#define POKER_ROUND_BET0 0x02
+#define POKER_ROUND_FLOP 0X03
+#define POKER_ROUND_BET1 0x04
+#define POKER_ROUND_TURN 0x05
+#define POKER_ROUND_BET2 0x06
+#define POKER_ROUND_RIVER 0x07
+#define POKER_ROUND_BET3 0x08
+#define POKER_ROUND_WINNER 0x09
+
+/** How many cards the dealer can hold in their hand */
+#define POKER_DEALER_HAND 5
+
+typedef struct {
+  /** Current Card Deck */
+  card_t deck[CARD_DECK_SIZE];
+  uint8_t deckSize;
+
+  /** Dealer Money */
+  uint32_t blindSmall;
+  uint32_t blindBig;
+
+  /** Dealer Hand */
+  card_t cards[POKER_DEALER_HAND];
+  uint8_t cardsFacing;
+
+  /** Player States */
+  pokerplayer_t players[POKER_PLAYER_COUNT];
+
+  /** Game State */
+  uint8_t round;
+  uint8_t roundPlayer;
+  uint8_t roundDealer;
+  uint32_t pot;
+  uint32_t roundBet;
+
+  /** Rendering Assets */
+  texture_t *kagamiTexture;
+  tileset_t *kagamiTileset;
+  primitive_t *kagamiQuad;
+
+  primitive_t *chipPrimitive;
+  texture_t *chipTexture;
+  primitive_t *tablePrimitive;
+  texture_t *tableTexture;
+
+  texture_t *cardTexture;
+  tileset_t *cardTileset;
+  primitive_t *cardPrimitive;
+
+  texture_t *fontTexture;
+  tileset_t *fontTileset;
+  spritebatch_t *fontBatch;
+
+  shader_t *shaderWorld;
+  framebuffer_t *frameLeft;
+  framebuffer_t *frameRight;
+  primitive_t *quadLeft;
+  primitive_t *quadRight;
+  camera_t cameraMain;
+  camera_t cameraLeft;
+  camera_t cameraRight;
+} poker_t;

src/debug/log.c

@@ -1,23 +0,0 @@
-/**
- * Copyright (c) 2021 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#include "log.h"
-
-list_t *logBuffer;
-
-void logInit() {
-  logBuffer = listCreate();
-}
-
-void logText(char *string) {
-  // Clone the string
-  int32_t len = strlen(string);
-  char *newString = malloc(sizeof(char) * (len+1));
-  memcpy(newString, string, len+1);
-  listAdd(logBuffer, newString);
-  printf("%s\n", newString);
-}

src/debug/log.h

@@ -1,20 +0,0 @@
-/**
- * Copyright (c) 2021 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#pragma once
-#include <dawn/dawn.h>
-#include "../util/list.h"
-
-/** Primary Log Buffer. */
-extern list_t *logBuffer;
-
-/**
- * Writes a string to the log buffer.
- * 
- * @param string String to log.
- */
-void logText(char *string);

src/display/framebuffer.c

@@ -7,26 +7,19 @@
 
 #include "framebuffer.h"
 
-framebuffer_t * frameBufferCreate(int32_t w, int32_t h) {
-  framebuffer_t *fb = malloc(sizeof(framebuffer_t));
-  if(fb == NULL) return NULL;
-
+void frameBufferInit(framebuffer_t *fb, int32_t w, int32_t h) {
   // At least one pixel
   if(w <= 0) w = 1;
   if(h <= 0) h = 1;
 
   // Create Color Attachment texture.
-  fb->texture = textureCreate(w, h, NULL);
-  if(fb->texture == NULL) {
-    free(fb);
-    return NULL;
-  }
+  textureInit(&fb->texture, w, h, NULL);
 
   // Create Frame Buffer
   glGenFramebuffers(1, &fb->fboId);
   glBindFramebuffer(GL_FRAMEBUFFER, fb->fboId);
   glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
-    GL_TEXTURE_2D, fb->texture->id, 0
+    GL_TEXTURE_2D, fb->texture.id, 0
   );
 
   // Render Buffer
@@ -44,18 +37,20 @@ framebuffer_t * frameBufferCreate(int32_t w, int32_t h) {
   }
 
   glBindFramebuffer(GL_FRAMEBUFFER, 0);
-
-  return fb;
 }
 
 void frameBufferUse(framebuffer_t *frameBuffer, bool clear) {
-  if(frameBuffer == NULL) {
-    glBindFramebuffer(GL_FRAMEBUFFER, 0);
-    glViewport(0, 0, RENDER_STATE.width, RENDER_STATE.height);
-  } else {
-    glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer->fboId);
-    glViewport(0, 0, frameBuffer->texture->width, frameBuffer->texture->height);
+  glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer->fboId);
+  glViewport(0, 0, frameBuffer->texture.width, frameBuffer->texture.height);
+
+  if(clear) {
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
   }
+}
+
+void frameBufferUnbind(render_t *render, bool clear) {
+  glBindFramebuffer(GL_FRAMEBUFFER, 0);
+  glViewport(0, 0, render->width, render->height);
 
   if(clear) {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -67,6 +62,6 @@ void frameBufferDispose(framebuffer_t *frameBuffer) {
   glBindRenderbuffer(GL_RENDERBUFFER, 0);
   glDeleteRenderbuffers(1, &frameBuffer->rboId);
   glDeleteFramebuffers(1, &frameBuffer->fboId);
-  textureDispose(frameBuffer->texture);
+  textureDispose(&frameBuffer->texture);
   free(frameBuffer);
 }

src/display/framebuffer.h

@@ -10,22 +10,30 @@
 #include "texture.h"
 
 /**
- * Creates a new frame buffer that can be rendered to.
- * 
+ * Initializes frame buffer that can be rendered to.
+ * @param frameBuffer Frame buffer to initialize.
  * @param width Width of the frame buffer (in pixels).
  * @param height Height of the frame buffer (in pixels).
  * @return A renderable frame buffer.
  */
-framebuffer_t * frameBufferCreate(int32_t width, int32_t height);
+void frameBufferInit(framebuffer_t *buffer, int32_t width, int32_t height);
 
 /**
  * Use a given frame buffer as the current rendering context.
  * 
- * @param frameBuffer Frame buffer to use, or NULL to not use any.
+ * @param frameBuffer Frame buffer to use.
  * @param clear Whether or not to clear the frame buffer prior to rendering.
  */
 void frameBufferUse(framebuffer_t *frameBuffer, bool clear);
 
+/**
+ * Unbind the currently bound frame buffer.
+ * 
+ * @param render Render manager
+ * @param clear Whether or not to clear the back buffer.
+ */
+void frameBufferUnbind(render_t *render, bool clear);
+
 /**
  * Dispose/cleanup a previously created frame buffer.
  * 

src/display/primitive.c

@@ -7,9 +7,7 @@
 
 #include "primitive.h"
 
-primitive_t * primitiveCreate(int32_t verticeCount, int32_t indiceCount) {
-  primitive_t *primitive = malloc(sizeof(primitive_t));
-
+void primitiveInit(primitive_t *primitive, int32_t verticeCount, int32_t indiceCount) {
   primitive->verticeCount = verticeCount;
   primitive->indiceCount = indiceCount;
 
@@ -44,8 +42,6 @@ primitive_t * primitiveCreate(int32_t verticeCount, int32_t indiceCount) {
     GL_FALSE, 0, (void *)offset
   );
   glEnableVertexAttribArray(1);
-
-  return primitive;
 }
 
 void primitiveBufferVertices(primitive_t *primitive,
@@ -131,5 +127,4 @@ void primitiveDispose(primitive_t *primitive) {
   glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
 	glDeleteBuffers(1, &primitive->vertexBuffer);
 	glDeleteBuffers(1, &primitive->indexBuffer);
-  free(primitive);
 }

src/display/primitive.h

@@ -10,11 +10,11 @@
 
 /**
  * Creates a new primitive.
+ * @param primitive Primitive to initialize.
  * @param verticeCount How many vertices can the primitive hold.
  * @param indiceCount How many indices can the primitive hold.
- * @return The newly created primitive ready to be buffered to.
  */
-primitive_t * primitiveCreate(int32_t verticeCount, int32_t indiceCount);
+void primitiveInit(primitive_t *primitive, int32_t verticeCount, int32_t indiceCount);
 
 /**
  * Buffer Vertices to a primitive for use in rendering.
@@ -47,7 +47,7 @@ void primitiveBufferIndices(primitive_t *primitive,
 void primitiveDraw(primitive_t *primitive, int32_t start, int32_t count);
 
 /**
- * Cleanup a previously created primitive.
+ * Cleanup a previously initialized primitive.
  * @param primitive Primitive to cleanup.
  */
 void primitiveDispose(primitive_t *primitive);

src/display/render.c

@@ -7,8 +7,6 @@
 
 #include "render.h"
 
-render_t RENDER_STATE;
-
 void renderInit() {
   // Enable GL things.
   glEnable(GL_BLEND);
@@ -29,7 +27,7 @@ void renderFrameStart() {
 void renderDispose() {
 }
 
-void renderSetResolution(int32_t width, int32_t height) {
-  RENDER_STATE.width = width;
-  RENDER_STATE.height = height;
+void renderSetResolution(render_t *render, int32_t width, int32_t height) {
+  render->width = width;
+  render->height = height;
 }

src/display/render.h

@@ -26,7 +26,8 @@ void renderDispose();
 /**
  * Sets the internal display resolution.
  * 
+ * @param render Render context to resize.
  * @param width Width of the display (in pixels).
  * @param height Height of the display (in pixels).
  */
-void renderSetResolution(int32_t width, int32_t height);
+void renderSetResolution(render_t *render, int32_t width, int32_t height);

src/display/spritebatch.c

@@ -7,22 +7,13 @@
 
 #include "spritebatch.h"
 
-spritebatch_t * spriteBatchCreate(int32_t maxSprites) {
-  spritebatch_t *batch = malloc(sizeof(spritebatch_t));
-  if(batch == NULL) return NULL;
-
+void spriteBatchInit(spritebatch_t *batch, int32_t maxSprites) {
   batch->maxSprites = maxSprites;
   batch->currentSprite = 0;
 
-  batch->primitive = primitiveCreate(
+  primitiveInit(&batch->primitive,
     maxSprites*QUAD_VERTICE_COUNT, maxSprites*QUAD_INDICE_COUNT
   );
-  if(batch == NULL) {
-    free(batch);
-    return NULL;
-  }
-
-  return batch;
 }
 
 void spriteBatchQuad(spritebatch_t *spriteBatch, int32_t index,
@@ -35,7 +26,7 @@ void spriteBatchQuad(spritebatch_t *spriteBatch, int32_t index,
     spriteBatch->currentSprite = mathMax(index, spriteBatch->currentSprite);
   }
   
-  quadBuffer(spriteBatch->primitive, z,
+  quadBuffer(&spriteBatch->primitive, z,
     x, y, u0, v0,
     x+width, y+height, u1, v1,
     index*QUAD_VERTICE_COUNT, index*QUAD_INDICE_COUNT
@@ -48,12 +39,11 @@ void spriteBatchFlush(spritebatch_t *spriteBatch) {
 
 void spriteBatchDraw(spritebatch_t *spriteBatch, int32_t index, int32_t count) {
   if(count == -1) count = spriteBatch->currentSprite;
-  primitiveDraw(spriteBatch->primitive,
+  primitiveDraw(&spriteBatch->primitive,
     index*QUAD_INDICE_COUNT, count*QUAD_INDICE_COUNT
   );
 }
 
 void spriteBatchDispose(spritebatch_t *spriteBatch) {
-  primitiveDispose(spriteBatch->primitive);
-  free(spriteBatch);
+  primitiveDispose(&spriteBatch->primitive);
 }

src/display/spritebatch.h

@@ -11,10 +11,10 @@
 /**
  * Creates a new Sprite Batch made of standard quads.
  *
+ * @param batch Sprite batch to init.
  * @param maxSprites The maxiumum number of sprites the batch can hold.
- * @returns A new quad Sprite Batch.
  */
-spritebatch_t * spriteBatchCreate(int32_t maxSprites);
+void spriteBatchInit(spritebatch_t *batch, int32_t maxSprites);
 
 /**
  * Renders a sprite onto a given Sprite Batch.

src/display/texture.c

@@ -7,10 +7,9 @@
 
 #include "texture.h"
 
-texture_t * textureCreate(int32_t width, int32_t height, pixel_t *pixels) {
-  texture_t *texture = malloc(sizeof(texture_t));
-  if(texture == NULL) return NULL;
-
+void textureInit(texture_t *texture, int32_t width, int32_t height,
+  pixel_t *pixels
+) {
   texture->width = width;
   texture->height = height;
 
@@ -27,13 +26,12 @@ texture_t * textureCreate(int32_t width, int32_t height, pixel_t *pixels) {
 
   // Start by buffering all transparent black pixels.
   if(pixels == NULL) {
+    // TODO: I can optimize this, I think the GPU can default this somehow
     pixels = calloc(width * height, sizeof(pixel_t));
-
     glTexImage2D(
       GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0,
       GL_RGBA, GL_UNSIGNED_BYTE, pixels
     );
-
     free(pixels);
   } else {
     glTexImage2D(
@@ -59,5 +57,4 @@ void textureBufferPixels(texture_t *texture,
 
 void textureDispose(texture_t *texture) {
   glDeleteTextures(1, &texture->id);
-  free(texture);
 }

src/display/texture.h

@@ -7,14 +7,16 @@
 #include <dawn/dawn.h>
 
 /**
- * Creates a new texture that can be written in to.
+ * Initializes a texture that can be written in to.
  * 
+ * @param texture Texture to initialize.
  * @param width Width of the texture (in pixels).
  * @param height Height of the texture (in pixels).
  * @param pixels Default pixel array, set to NULL to set all pixel data to 0.
- * @return The newly created texture instance.
  */
-texture_t * textureCreate(int32_t width, int32_t height, pixel_t *pixels);
+void textureInit(texture_t *texture, int32_t width, int32_t height,
+  pixel_t *pixels
+);
 
 /**
  * Buffer pixel data onto the GPU. Pixel buffering is rather costly so avoid
@@ -33,6 +35,7 @@ void textureBufferPixels(texture_t *texture,
 
 /**
  * Clean a previously created texture.
+ * 
  * @param texture Texture to clean up.
  */
 void textureDispose(texture_t *texture);

src/display/tileset.c

@@ -7,19 +7,15 @@
 
 #include "tileset.h"
 
-tileset_t * tilesetCreate(
+tileset_t * tilesetInit(tileset_t *tileset,
   int32_t columns, int32_t rows,
   int32_t width, int32_t height,
   int32_t gapX, int32_t gapY,
   int32_t borderX, int32_t borderY
 ) {
-  tileset_t *tileset;
   float tdivX, tdivY;
   int32_t x, y, i;
 
-  tileset = malloc(sizeof(tileset_t));
-  if(tileset == NULL) return NULL;
-
   tileset->count = rows * columns;
   tileset->divisions = malloc(sizeof(tilesetdiv_t) * tileset->count);
   if(tileset->divisions == NULL) {
@@ -51,21 +47,13 @@ tileset_t * tilesetCreate(
         borderY + (tileset->divY * y) + (gapY * y)
       ) / height;
       tileset->divisions[i].y1 = tileset->divisions[i].y0 + tdivY;
-
-      // Vertically flipped if necessary
-      // tileset->divisions[i].y1 = (
-      //   borderY + (tileset->divY * y) + (gapY * y)
-      // ) / height;
-      // tileset->divisions[i].y0 = tileset->divisions[i].y1 + tdivY;
     }
   }
 
   return tileset;
 }
 
-tilesetdiv_t tilesetGetDivision(tileset_t *tileset,
-  int32_t column, int32_t row
-) {
+tilesetdiv_t tilesetGetDivision(tileset_t *tileset,int32_t column,int32_t row) {
   return tileset->divisions[
     (column % tileset->columns) + (row * tileset->columns)
   ];
@@ -73,5 +61,4 @@ tilesetdiv_t tilesetGetDivision(tileset_t *tileset,
 
 void tilesetDispose(tileset_t *tileset) {
   free(tileset->divisions);
-  free(tileset);
 }

src/display/tileset.h

@@ -9,6 +9,7 @@
 /**
  * Create a tileset. Tilesets will be pre-divided to save performance later.
  * 
+ * @param tileset Tileset to init into.
  * @param columns Count of columns.
  * @param rows Count of rows.
  * @param width Width of the tileset.
@@ -17,9 +18,8 @@
  * @param gapY Space between each row.
  * @param borderX Space around the edge of the tileset.
  * @param borderY Space around the edge of the tileset.
- * @returns The tileset.
  */
-tileset_t * tilesetCreate(
+void tilesetInit(tileset_t *tileset,
   int32_t columns, int32_t rows,
   int32_t width, int32_t height,
   int32_t gapX, int32_t gapY,
@@ -34,9 +34,7 @@ tileset_t * tilesetCreate(
  * @param row Y axis of the tileset.
  * @returns The Tileset division.
  */
-tilesetdiv_t tilesetGetDivision(tileset_t *tileset,
-  int32_t column, int32_t row
-);
+tilesetdiv_t tilesetGetDivision(tileset_t *tileset,int32_t column, int32_t row);
 
 /**
  * Cleans a previously created tileset

src/engine/engine.c

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "engine.h"
+
+void engineInit(engine_t *engine, game_t *game) {
+  epochInit(&engine->time);
+  renderInit();
+  inputInit(&engine->input);
+}
+
+void engineUpdateStart(engine_t *engine, game_t *game, float delta) {
+  epochUpdate(&engine->time, delta);
+  inputUpdate(&engine->input);
+  renderFrameStart();
+}
+
+bool engineUpdateEnd(engine_t *engine, game_t *game) {
+  if(inputIsPressed(INPUT_NULL)) return false;
+  return true;
+}
+
+void engineDispose(engine_t *engine, game_t *game) {
+  inputDispose(&engine->input);
+  renderDispose();
+}

src/engine/engine.h

@@ -0,0 +1,46 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include <dawn/dawn.h>
+#include "../input/input.h"
+#include "../epoch/epoch.h"
+#include "../display/render.h"
+
+/**
+ * Initializes the provided engine. This will initialize all of the various
+ * managers for the game to use.
+ * 
+ * @param engine Engine to initialize.
+ * @param game Game that intiialized this engine.
+ */
+void engineInit(engine_t *engine, game_t *game);// TODO: This needs to return valid state.
+
+/**
+ * Updates the given engine at the start of a frame.
+ * 
+ * @param engine Engine that is being updated
+ * @param game Game that initialized the engine update
+ * @param delta Delta tick provided by the game's platform.
+ */
+void engineUpdateStart(engine_t *engine, game_t *game, float delta);
+
+/**
+ * Updates the given engine at the end of a frame.
+ * 
+ * @param engine Engine to update.
+ * @param game Game that called this update.
+ */
+bool engineUpdateEnd(engine_t *engine, game_t *game);
+
+/**
+ * Cleanup the engine context.
+ * 
+ * @param engine Engine to clean up.
+ * @param game Game that initialized the cleanup.
+ */
+void engineDispose(engine_t *engine, game_t *game);

src/epoch/epoch.c

@@ -0,0 +1,26 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "epoch.h"
+
+void epochInit(epoch_t *epoch) {
+  epoch->delta = EPOCH_FIXED_STEP;
+  epoch->last = EPOCH_FIXED_STEP;
+  epoch->current = EPOCH_FIXED_STEP + EPOCH_FIXED_STEP;
+}
+
+void epochUpdate(epoch_t *epoch, float platformDelta) {
+  platformDelta = mathMax(
+    mathMin(platformDelta, EPOCH_FIXED_STEP),
+    0
+  );
+
+  epoch->last = epoch->current;
+  epoch->current = epoch->current + platformDelta;
+  epoch->delta = epoch->current - epoch->last;
+  epoch->fixedDelta = EPOCH_FIXED_STEP;
+}

src/epoch/epoch.h

@@ -9,13 +9,16 @@
 #include <dawn/dawn.h>
 
 /**
- * Initializes the gametime global time tracking.
+ * Initializes the epoch time tracking.
+ * 
+ * @param epoch Epoch to initialize.
  */
-void gameTimeInit();
+void epochInit(epoch_t *epoch);
 
 /**
- * Ticks the current game time.
+ * Ticks the current epoch time.
  * 
+ * @param epoch Epoch to update.
  * @param platformDelta The delta step between frames from the platform engine.
  */
-void gameTimeUpdate(float platformDelta);
+void epochUpdate(epoch_t *epoch, float platformDelta);

src/game/game.c

@@ -9,74 +9,63 @@
 
 game_t GAME_STATE;
 
-bool gameInit() {
+bool gameInit(game_t *game) {
   // Init the game
-  GAME_STATE.name = GAME_NAME;
-
-  logInit();
-  logText("Starting Game");
+  game->name = GAME_NAME;
+  
+  engineInit(&game->engine, game);
 
   // Init
-  gameTimeInit();
-  renderInit();
-  inputInit();
+  // gameTimeInit();
+  // renderInit();
+  // inputInit();
 
-  // Load the world shader.
-  GAME_STATE.shaderWorld = assetShaderLoad(
-    "shaders/textured.vert", "shaders/textured.frag"
-  );
+  // // Load the world shader.
+  // GAME_STATE.shaderWorld = assetShaderLoad(
+  //   "shaders/textured.vert", "shaders/textured.frag"
+  // );
 
-  // Font
-  GAME_STATE.fontTexture = assetTextureLoad("font.png");
-  GAME_STATE.fontTileset = tilesetCreate(20, 20,
-    GAME_STATE.fontTexture->width,
-    GAME_STATE.fontTexture->height,
-    1, 1, 1, 1
-  );
-  GAME_STATE.fontBatch = spriteBatchCreate(1024);
+  // // Font
+  // GAME_STATE.fontTexture = assetTextureLoad("font.png");
+  // GAME_STATE.fontTileset = tilesetCreate(20, 20,
+  //   GAME_STATE.fontTexture->width,
+  //   GAME_STATE.fontTexture->height,
+  //   1, 1, 1, 1
+  // );
+  // GAME_STATE.fontBatch = spriteBatchCreate(1024);
 
-  // Prepare the renderer.
-  holdemRenderFrameInit();
-  holdemRenderWorldInit();
-  holdemRenderPlayerInit();
-  holdemRenderCardInit();
-  holdemRenderChipInit();
-
-  // Prepare the action manager
-  pokerActionInit();
-
-  // Start the first action
-  pokerActionAdd(actionStart());
+  // // Prepare the renderer.
+  // pokerInit(&GAME_STATE.poker);
+  // holdemRenderFrameInit();
+  // holdemRenderWorldInit();
+  // holdemRenderPlayerInit();
+  // holdemRenderCardInit();
+  // holdemRenderChipInit();
 
   // Init the input manger.
   return true;
 }
 
-bool gameUpdate(float platformDelta) {
-  gameTimeUpdate(platformDelta);
-  renderFrameStart();
-  inputUpdate();
-  
-  shaderUse(GAME_STATE.shaderWorld);// TODO: remove
-  
-  // Update the frame buffers and action queue
-  holdemRenderFrameUpdate();
-  pokerActionUpdate();
+bool gameUpdate(game_t *game, float platformDelta) {
+  engineUpdateStart(&game->engine, game, platformDelta);
+  engineUpdateEnd(&game->engine, game);
 
-  // Render things on each frame, then render those frames.
-  holdemRenderFrameUseLeft();
-  holdemRenderWorld();
-  holdemRenderFrameUseRight();
-  holdemRenderWorld();
-  holdemRenderFrameBack();
+  // shaderUse(GAME_STATE.shaderWorld);// TODO: remove
+  
+  // // Update the frame buffers and action queue
+  // holdemRenderFrameUpdate();
+  // pokerActionUpdate();
 
-  if(inputIsPressed(INPUT_NULL)) return false;
-  return true;
+  // // Render things on each frame, then render those frames.
+  // holdemRenderFrameUseLeft();
+  // holdemRenderWorld();
+  // holdemRenderFrameUseRight();
+  // holdemRenderWorld();
+  // holdemRenderFrameBack();
 }
 
-void gameDispose() {
-  pokerActionDispose();
-  shaderDispose(GAME_STATE.shaderWorld);
-  inputDispose();
-  renderDispose();
+void gameDispose(game_t *game) {
+  engineDispose(&game->engine, game);
+  // pokerActionDispose();
+  // shaderDispose(GAME_STATE.shaderWorld);
 }

src/game/game.h

@@ -5,29 +5,14 @@
 
 #pragma once
 #include <dawn/dawn.h>
-#include "gametime.h"
-#include "../display/render.h"
-#include "../display/camera.h"
-#include "../display/shader.h"
-#include "../display/gui/font.h"
-#include "../file/asset.h"
-#include "../input/input.h"
-#include "../debug/log.h"
-#include "../poker/action/action.h"
-#include "../poker/action/start.h"
-#include "../poker/render/player.h"
-#include "../poker/render/card.h"
-#include "../poker/render/chip.h"
-#include "../poker/render/frame.h"
-#include "../poker/render/look.h"
-#include "../poker/render/world.h"
+#include "../engine/engine.h"
 
 /**
  * Initialize the game context.
  * 
  * @return True if successful, otherwise false.
  */
-bool gameInit();
+bool gameInit(game_t *game);
 
 /**
  * Tick the main game loop.
@@ -35,9 +20,9 @@ bool gameInit();
  * @param platformDelta The platform tick delta between the last render.
  * @return True if successful, false if safe exit requested..
  */
-bool gameUpdate(float platformDelta);
+bool gameUpdate(game_t *game, float platformDelta);
 
 /**
  * Cleanup the game instance.
  */
-void gameDispose();
+void gameDispose(game_t *game);

src/game/gametime.c

@@ -1,28 +0,0 @@
-/**
- * Copyright (c) 2021 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#include "gametime.h"
-
-gametime_t TIME_STATE;
-
-void gameTimeInit() {
-  TIME_STATE.delta = GAMETIME_FIXED_STEP;
-  TIME_STATE.last = GAMETIME_FIXED_STEP;
-  TIME_STATE.current = GAMETIME_FIXED_STEP + GAMETIME_FIXED_STEP;
-}
-
-void gameTimeUpdate(float platformDelta) {
-  platformDelta = mathMax(
-    mathMin(platformDelta, GAMETIME_FIXED_STEP),
-    0
-  );
-
-  TIME_STATE.last = TIME_STATE.current;
-  TIME_STATE.current = TIME_STATE.current + platformDelta;
-  TIME_STATE.delta = TIME_STATE.current - TIME_STATE.last;
-  TIME_STATE.fixedDelta = GAMETIME_FIXED_STEP;
-}

src/input/input.c

@@ -7,96 +7,94 @@
 
 #include "input.h"
 
-input_t INPUT_STATE;
-
-void inputInit() {
+void inputInit(input_t *input) {
   int32_t i;
 
   // Setup the bind lists
   for(i = 0; i < INPUT_BIND_COUNT; i++) {
-    INPUT_STATE.bindMap[i] = listCreate();
+    input->bindMap[i] = listCreate();
   }
 
-  INPUT_STATE.current = INPUT_STATE.inputsA;
-  INPUT_STATE.previous = INPUT_STATE.inputsB;
+  input->current = input->inputsA;
+  input->previous = input->inputsB;
 
   // Create the buffer, zero all the values out.
-  memset(&INPUT_STATE.buffer, 0, sizeof(inputval_t)*INPUT_SOURCE_COUNT);
+  memset(&input->buffer, 0, sizeof(inputval_t)*INPUT_SOURCE_COUNT);
 }
 
-void inputUpdate() {
+void inputUpdate(input_t *input) {
   int32_t i;
   listentry_t *item;
   inputval_t value;
 
   // Flip the states to save memory.
-  inputval_t *currentCurrent = INPUT_STATE.current;
-  INPUT_STATE.current = INPUT_STATE.previous;
-  INPUT_STATE.previous = currentCurrent;
+  inputval_t *currentCurrent = input->current;
+  input->current = input->previous;
+  input->previous = currentCurrent;
 
   // Now look at each bind...
   for(i = 0; i < INPUT_BIND_COUNT; i++) {
     // Now get the list of input sources bound to this input
-    item = INPUT_STATE.bindMap[i]->start;
+    item = input->bindMap[i]->start;
     value = 0;
 
     // For each input source, add the value from the buffer
     while(item != NULL) {
-      value += INPUT_STATE.buffer[(inputsource_t)item->data];
+      value += input->buffer[(inputsource_t)item->data];
       item = item->next;
     }
 
     // Set to the current state.
-    INPUT_STATE.current[i] = value;
+    input->current[i] = value;
   }
 }
 
-void inputDispose() {
+void inputDispose(input_t *input) {
   int32_t i;
 
   // Free up the bind lists
   for(i = 0; i < INPUT_BIND_COUNT; i++) {
-    listDispose(INPUT_STATE.bindMap[i], false);
+    listDispose(input->bindMap[i], false);
   }
 }
 
-void inputBind(inputbind_t bind, inputsource_t source) {
-  listAdd(INPUT_STATE.bindMap[bind], (void *)source);
+void inputBind(input_t *input, inputbind_t bind, inputsource_t source) {
+  listAdd(input->bindMap[bind], (void *)source);
 }
 
-void inputUnbind(inputbind_t bind, inputsource_t source) {
-  listRemove(INPUT_STATE.bindMap[bind], (void *)source);
+void inputUnbind(input_t *input, inputbind_t bind, inputsource_t source) {
+  listRemove(input->bindMap[bind], (void *)source);
 }
 
-bool inputIsDown(inputbind_t binding) {
-  return INPUT_STATE.current[binding] != 0;
+bool inputIsDown(input_t *input, inputbind_t binding) {
+  return input->current[binding] != 0;
 }
 
-bool inputIsUp(inputbind_t binding) {
-  return INPUT_STATE.current[binding] == 0;
+bool inputIsUp(input_t *input, inputbind_t binding) {
+  return input->current[binding] == 0;
 }
 
-bool inputIsPressed(inputbind_t binding) {
+bool inputIsPressed(input_t *input, inputbind_t binding) {
   return (
-    INPUT_STATE.previous[binding] == 0 &&
-    INPUT_STATE.current[binding] != 0
+    input->previous[binding] == 0 &&
+    input->current[binding] != 0
   );
 }
 
-bool inputIsReleased(inputbind_t binding) {
-  return INPUT_STATE.current[binding]==0 && INPUT_STATE.previous[binding] != 0;
+bool inputIsReleased(input_t *input, inputbind_t binding) {
+  return input->current[binding]==0 && input->previous[binding] != 0;
 }
 
-inputval_t inputGetAxis(inputbind_t binding) {
-  return INPUT_STATE.current[binding];
+inputval_t inputGetAxis(input_t *input, inputbind_t binding) {
+  return input->current[binding];
 }
 
-float inputGetFullAxis(inputbind_t positive,
+float inputGetFullAxis(input_t *input, inputbind_t positive,
   inputbind_t negative
 ) {
-  return -INPUT_STATE.current[negative] + INPUT_STATE.current[positive];
+  return -input->current[negative] + input->current[positive];
 }
 
-float inputGetAccuated(inputbind_t binding) {
-  return INPUT_STATE.times[binding];
+float inputGetAccuated(input_t *input, inputbind_t binding) {
+  return input->times[binding];
 }

src/input/input.h

@@ -9,78 +9,91 @@
 
 /**
  * Initializes the input manager.
+ * 
+ * @param input The input manager to initialize.
  */
-void inputInit();
+void inputInit(input_t *input);
 
 /**
  * Tick the input manager.
+ * 
+ * @param input The input manager to update.
  */
-void inputUpdate();
+void inputUpdate(input_t *input);
 
 /**
  * Destroy the input manager and cleanup.
+ * 
+ * @param input The input manager to dispose.
  */
-void inputDispose();
+void inputDispose(input_t *input);
 
 /**
  * Binds the given input binding to the input source. Essentially allowing any
  * time we fetch the state of bind, we will read the value from source.
  * 
+ * @param input The input manager.
  * @param bind The binding to bind against.
  * @param source The source that is being bound.
  */
-void inputBind(inputbind_t bind, inputsource_t source);
+void inputBind(input_t *input, inputbind_t bind, inputsource_t source);
 
 /**
  * Unbind a previously bound input source from a binding. This method is costly.
  * 
+ * @param input The input manager.
  * @param bind The binding to unbind from.
  * @param source The source that is being unbound.
  */
-void inputUnbind(inputbind_t bind, inputsource_t source);
+void inputUnbind(input_t *input, inputbind_t bind, inputsource_t source);
 
 /**
  * Is the current input "down", being pressed, being moved, not in a state
  * of rest.
  * 
+ * @param input The input manager.
  * @param binding The previously bound input binding.
  * @return True if the input vector is non-zero.
  */
-bool inputIsDown(inputbind_t binding);
+bool inputIsDown(input_t *input, inputbind_t binding);
 
 /**
  * Is the current input "up", in a state of rest, not being actioned, moved.
  * 
+ * @param input The input manager.
  * @param binding The previously bound input binding.
  * @return True if input vector is zero
  */
-bool inputIsUp(inputbind_t binding);
+bool inputIsUp(input_t *input, inputbind_t binding);
 
 /**
  * Returns true on the first tick that an input was actioned/downed.
  * 
+ * @param input The input manager.
  * @param binding The previously bound input binding.
  * @return True if the input vector was non-zeroed this tick but not last. 
  */
-bool inputIsPressed(inputbind_t binding);
+bool inputIsPressed(input_t *input, inputbind_t binding);
 
 /**
  * Returns true on the first tick that an input was released/upped.
  * 
+ * @param input The input manager.
  * @param binding The previously bound input binding.
  * @return True if the input vector was zeroed this tick but not last. 
  */
-bool inputIsReleased(inputbind_t binding);
+bool inputIsReleased(input_t *input, inputbind_t binding);
 
 /**
  * Returns the raw input value as a float between 0 and 1. For digital (buttons)
  * this will typicall be 0 or 1 only. Other analogue inputs will have anywhere
  * within the range.
  * 
+ * @param input The input manager.
  * @param binding The previously bound input binding.
  * @return Input state of the axis.
  */
-inputval_t inputGetAxis(inputbind_t binding);
+inputval_t inputGetAxis(input_t *input, inputbind_t binding);
 
 /**
  * Returns a raw input value between -1 and 1 between two axis. This would be
@@ -88,17 +101,19 @@ inputval_t inputGetAxis(inputbind_t binding);
  * for a positive input and another for a negative input, typically a game
  * controller's analogue sticks.
  * 
+ * @param input The input manager.
  * @param postitive The positive axis binding.
  * @param negative The negative axis binding.
  * @return A float between -1 and 1 representing the result of both.
  */
-float inputGetFullAxis(inputbind_t positive, inputbind_t negative);
+float inputGetFullAxis(input_t *input, inputbind_t positive, inputbind_t negative);
 
 /**
  * Returns the time that an input was actuated at. Actuate would count as a
  * non-zero input for analogue inputs.
  * 
+ * @param input The input manager.
  * @param binding The previously bound input binding.
  * @return Game Engine time that an input was non-zeroed
  */
-float inputGetAccuated(inputbind_t binding);
+float inputGetAccuated(input_t *input, inputbind_t binding);

src/platform/glfw/glwfwplatform.c

@@ -6,7 +6,6 @@
 #include "glwfwplatform.h"
 
 GLFWwindow *window = NULL;
-game_t *runningGame = NULL;
 
 int32_t main() {
   // Attempt to init GLFW
@@ -33,10 +32,13 @@ int32_t main() {
   glfwSetWindowSizeCallback(window, &glfwOnResize);
   glfwSetKeyCallback(window, &glfwOnKey);
 
-  glfwSetErrorCallback (&glfwOnError);
+  glfwSetErrorCallback(&glfwOnError);
+
+  // Prepare the game
+  game_t *game = &GAME_STATE;
 
   // Init the game
-  if(gameInit()) {
+  if(gameInit(game)) {
     // Bind initial keys
     inputBind(INPUT_NULL,         (inputsource_t)GLFW_KEY_ESCAPE);
     inputBind(INPUT_DEBUG_UP,     (inputsource_t)GLFW_KEY_W);
@@ -76,13 +78,13 @@ int32_t main() {
       time = newTime;
 
       // Tick the engine.
-      if(!gameUpdate(fDelta)) break;
+      if(!gameUpdate(game, fDelta)) break;
       glfwSwapBuffers(window);
       sleep(0);//Fixes some weird high CPU bug, not actually necessary.
     }
 
     // Game has finished running, cleanup.
-    gameDispose();
+    gameDispose(game);
   }
   
   // Terminate the GLFW context.

src/poker/poker.c

@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "poker.h"
+
+void pokerInit(poker_t *poker) {
+  uint8_t x;
+
+  // Prepare the initial game state
+  poker->round = POKER_ROUND_DEAL;
+  poker->roundPlayer = 0x00;
+  poker->roundDealer = 0x00;
+  poker->blindSmall = 0;
+  poker->blindBig = 0;
+
+  for(x = 0; x < POKER_PLAYER_COUNT; x++) {
+    poker->players[x].state = 0x00;
+    poker->players[x].chips = 0;
+    poker->players[x].cardCount = 0;
+    poker->players[x].currentBet = 0;
+  }
+
+  pokerRoundInit();
+}
+
+void pokerRoundInit(poker_t *poker) {
+  uint8_t x;
+
+  // Refill the deck
+  cardDeckFill(&poker->deck);
+  poker->deckSize = CARD_DECK_SIZE;
+
+  // Reset the players
+  for(x = 0; x < POKER_PLAYER_COUNT; x++) {
+    poker->players[x].cardCount = 0;
+    poker->players[x].currentBet = 0;
+  }
+}

src/poker/poker.h

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include <dawn/dawn.h>
+#include "card.h"
+
+/**
+ * Initializes the poker match for the first time.
+ * 
+ * @param poker Poker game to init.
+ */
+void pokerInit(poker_t *poker);
+
+
+/**
+ * Initializes the round for a poker game.
+ * 
+ * @param poker Poker game to init a new round for.
+ */
+void pokerRoundInit(poker_t *poker);

temp/action/ai.c

@@ -33,7 +33,7 @@ void actionAiUpdate(int32_t index, void *data) {
 
 void actionAiDispose(int32_t index, void *data) {
   // Do we need to do a flop?
-  if(GAME_STATE.cardsFacing < HOLDEM_DEALER_HAND) {
+  if(GAME_STATE.cardsFacing < POKER_DEALER_HAND) {
     pokerActionAdd(actionFlop());
   }
 }

temp/action/ai.h

@@ -11,6 +11,10 @@
 #include "flop.h"
 #include "../../debug/log.h"
 
+typdef struct {
+  uint8_t player;
+} actionaidata_t;
+
 pokeraction_t actionAi();
 
 void actionAiInit(int32_t index, void *data);