Time stuff

src/dusk/CMakeLists.txt

@@ -20,6 +20,7 @@ target_sources(${DUSK_TARGET_NAME}
   PRIVATE
     game.c
     input.c
+    time.c
 )
 
 # Subdirs

src/dusk/game.c

@@ -14,12 +14,16 @@
 #include "event/event.h"
 #include "ui/uitextbox.h"
 #include "console/console.h"
+#include "util/memory.h"
+#include "time.h"
 
 game_t GAME;
 
 void gameInit(void) {
+  memoryZero(&GAME, sizeof(game_t));
   GAME.running = true;
   
+  timeInit();
   consoleInit();
   inputInit();
   eventInit();
@@ -28,12 +32,15 @@ void gameInit(void) {
 }
 
 void gameUpdate(void) {
+  timeUpdate();
   sceneUpdate();
   uiTextboxUpdate();
   eventUpdate();
 
   consoleUpdate();
   inputUpdate();
+
+  if(inputPressed(INPUT_BIND_QUIT)) consoleExec("quit");
 }
 
 void gameDispose(void) {

src/dusk/time.c

@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "time.h"
+#include "util/memory.h"
+#include "assert/assert.h"
+
+dusktime_t TIME;
+
+void timeInit(void) {
+  memoryZero(&TIME, sizeof(TIME));
+}
+
+void timeUpdate(void) {
+  #if DUSK_DYNAMIC_TIME
+    TIME.delta = timeDeltaGet();
+  #else
+    TIME.delta = DUSK_TIME_STEP;
+  #endif
+
+  TIME.time += TIME.delta;
+  assertTrue(TIME.delta >= 0.0f, "Time delta is negative");
+}

src/dusk/time.h

@@ -0,0 +1,47 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dusk.h"
+
+typedef struct {
+  float_t delta;
+  float_t time;
+} dusktime_t;
+
+extern dusktime_t TIME;
+
+#ifndef DUSK_DYNAMIC_TIME
+  #define DUSK_DYNAMIC_TIME 1
+#endif
+
+#if DUSK_DYNAMIC_TIME == 0
+  #ifndef DUSK_TIME_STEP
+    #define DUSK_TIME_STEP (1.0f / 60.0f)
+  #endif
+#endif
+
+/**
+ * Initializes the time system.
+ */
+void timeInit(void);
+
+/**
+ * Updates the time system
+ */
+void timeUpdate(void);
+
+#if DUSK_DYNAMIC_TIME == 1
+  /**
+   * Gets the time delta since the last frame, in seconds. Tied to the 
+   * platform.
+   * 
+   * This will only get called once per gameUpdate.
+   */
+  float_t timeDeltaGet(void);
+#endif
+

src/dusk/world/chunk.h

@@ -7,16 +7,17 @@
 
 #pragma once
 #include "tile.h"
-
-#define CHUNK_MAP_WIDTH 4
-#define CHUNK_MAP_HEIGHT 3
-#define CHUNK_MAP_COUNT (CHUNK_MAP_WIDTH * CHUNK_MAP_HEIGHT)
+#include "display/render.h"
 
 #define CHUNK_WIDTH 8
 #define CHUNK_HEIGHT 8
 #define CHUNK_TILE_COUNT (CHUNK_WIDTH * CHUNK_HEIGHT)
 #define CHUNK_ENTITY_COUNT_MAX 8
 
+#define CHUNK_MAP_WIDTH (((RENDER_WIDTH / TILE_WIDTH_HEIGHT)/CHUNK_WIDTH)+2)
+#define CHUNK_MAP_HEIGHT (((RENDER_HEIGHT / TILE_WIDTH_HEIGHT)/CHUNK_HEIGHT)+2)
+#define CHUNK_MAP_COUNT (CHUNK_MAP_WIDTH * CHUNK_MAP_HEIGHT)
+
 typedef struct {
   uint16_t x, y;
   tile_t tilesBase[CHUNK_TILE_COUNT];

src/duskpsp/CMakeLists.txt

@@ -20,6 +20,7 @@ target_compile_definitions(${DUSK_TARGET_NAME}
     RENDER_HEIGHT=272
     RENDER_WINDOW_WIDTH_DEFAULT=480
     RENDER_WINDOW_HEIGHT_DEFAULT=272
+    DUSK_DYNAMIC_TIME=0
 )
 
 # Includes

src/dusksdl2/CMakeLists.txt

@@ -32,6 +32,7 @@ target_sources(${DUSK_TARGET_NAME}
   PRIVATE
     dusksdl2input.c
     main.c
+    time.c
 )
 
 # Subdirs

src/dusksdl2/display/CMakeLists.txt

@@ -8,8 +8,6 @@ target_sources(${DUSK_TARGET_NAME}
   PRIVATE
     render.c
     renderbackbuffer.c
-    rendertext.c
-    renderconsole.c
 )
 
 # Subdirs
@@ -19,4 +17,5 @@ add_subdirectory(mesh)
 add_subdirectory(overworld)
 add_subdirectory(texture)
 add_subdirectory(spritebatch)
-add_subdirectory(scene)
+add_subdirectory(scene)
+add_subdirectory(ui)

src/dusksdl2/display/overworld/renderoverworld.c

@@ -41,7 +41,6 @@ void renderOverworldDraw(void) {
 
   for(uint8_t i = 0; i < CHUNK_MAP_COUNT; i++) {
     renderchunk_t *chunk = &RENDER_OVERWORLD.chunks[i];
-    // meshDraw(&chunk->meshBase, 0, CHUNK_TILE_COUNT * QUAD_VERTEX_COUNT);
     meshDraw(&chunk->meshBase, -1, -1);
   }
 
@@ -53,8 +52,8 @@ void renderOverworldDraw(void) {
     // Draw the entity
     spriteBatchPush(
       NULL,
-      entity->x, entity->y,
-      entity->x + TILE_WIDTH_HEIGHT, entity->y + TILE_WIDTH_HEIGHT,
+      floorf(entity->x), floorf(entity->y),
+      floorf(entity->x + TILE_WIDTH_HEIGHT), floorf(entity->y + TILE_WIDTH_HEIGHT),
       0xFF, 0x00, 0xFF, 0XFF,
       0.0f, 0.0f, 1.0f, 1.0f
     );

src/dusksdl2/display/render.c

@@ -5,11 +5,13 @@
  * https://opensource.org/licenses/MIT
  */
 
+#include "dusksdl2input.h"
 #include "render.h"
 #include "assert/assert.h"
 #include "renderbackbuffer.h"
-#include "rendertext.h"
-#include "renderconsole.h"
+#include "display/ui/rendertext.h"
+#include "display/ui/renderconsole.h"
+#include "display/ui/renderfps.h"
 #include "console/console.h"
 #include "display/scene/renderscene.h"
 #include "display/spritebatch/spritebatch.h"
@@ -23,6 +25,7 @@ errorret_t renderInit(void) {
   // Init SDL 
   uint32_t flags = SDL_INIT_VIDEO;
   #if INPUT_SUPPORT_GAMEPAD
+    printf("Gamepad support enabled.\n");
     flags |= SDL_INIT_GAMECONTROLLER;
   #endif
 
@@ -100,6 +103,7 @@ errorret_t renderDraw(void) {
   // Draw UI
   cameraUIPush();
   renderConsoleDraw();
+  renderFPSDraw();
   spriteBatchFlush();
   cameraUIPop();
 

src/dusksdl2/display/ui/CMakeLists.txt

@@ -0,0 +1,12 @@
+# Copyright (c) 2025 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+target_sources(${DUSK_TARGET_NAME}
+  PRIVATE
+    renderconsole.c
+    renderfps.c
+    rendertext.c
+)

src/dusksdl2/display/ui/renderconsole.c

@@ -7,7 +7,7 @@
 
 #include "renderconsole.h"
 #include "console/console.h"
-#include "rendertext.h"
+#include "display/ui/rendertext.h"
 
 void renderConsoleDraw(void) {
   if(!CONSOLE.visible) return;

src/dusksdl2/display/ui/renderfps.c

@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "renderfps.h"
+#include "display/ui/rendertext.h"
+#include "time.h"
+
+void renderFPSDraw(void) {
+  float_t fps = 1.0f / TIME.delta;
+
+  char_t buffer[32];
+  snprintf(buffer, sizeof(buffer), "FPS: %.1f", fps);
+  
+  if(fps >= 50.0f) {
+    // Green
+    renderTextDraw(0, 0, buffer, 0x00, 0xFF, 0x00);
+  } else if(fps >= 30.0f) {
+    // Yellow
+    renderTextDraw(0, 0, buffer, 0xFF, 0xFF, 0x00);
+  } else {
+    // Red
+    renderTextDraw(0, 0, buffer, 0xFF, 0x00, 0x00);
+  }
+}

src/dusksdl2/display/ui/renderfps.h

@@ -0,0 +1,13 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+
+/**
+ * Draws the FPS overlay.
+ */
+void renderFPSDraw(void);

src/dusksdl2/display/ui/rendertext.c

@@ -6,7 +6,7 @@
  */
 
 #include "rendertext.h"
-#include "render.h"
+#include "display/render.h"
 #include "assert/assert.h"
 #include "display/spritebatch/spritebatch.h"
 #include "util/memory.h"

src/dusksdl2/dusksdl2input.h

@@ -30,7 +30,7 @@
     { SDL_CONTROLLER_BUTTON_DPAD_RIGHT, INPUT_BIND_RIGHT },
     { SDL_CONTROLLER_BUTTON_A, INPUT_BIND_ACTION },
     { SDL_CONTROLLER_BUTTON_B, INPUT_BIND_CANCEL },
-    { SDL_CONTROLLER_BUTTON_MISC1, INPUT_BIND_CONSOLE },
+    { SDL_CONTROLLER_BUTTON_BACK, INPUT_BIND_CONSOLE },
     { 0, 0 }
   };
 #endif

src/dusksdl2/main.c

@@ -7,7 +7,6 @@
 
 #include "display/render.h"
 #include "game.h"
-#include "console/console.h"
 #include "input.h"
 
 #define mainError(ret) \
@@ -26,7 +25,6 @@ int main(int argc, char *argv[]) {
     gameUpdate();
     mainError(renderDraw());
 
-    if(inputPressed(INPUT_BIND_QUIT)) consoleExec("quit");
     if(!GAME.running) break;
   }
   

src/dusksdl2/time.c

@@ -0,0 +1,21 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "time.h"
+#include "dusksdl2.h"
+
+#if DUSK_DYNAMIC_TIME
+  uint32_t TIME_LAST = 0;
+
+  float_t timeDeltaGet(void) {
+    // Get the current time in milliseconds
+    uint32_t currentTime = SDL_GetTicks();
+    float_t delta = (currentTime - TIME_LAST) / 1000.0f;
+    TIME_LAST = currentTime;
+    return delta;
+  }
+#endif