Camera finally working.

src/dusk/dusk.h

@@ -13,4 +13,5 @@
 #include <stdlib.h>
 
 typedef bool bool_t;
-typedef int int_t;
+typedef int int_t;
+typedef float float_t;

src/dusk/main.c

@@ -22,8 +22,6 @@ void main(void) {
   while(!renderShouldExit()) {
     renderDraw();
     
-    OVERWORLD_CAMERA_SUB_X++;
-    
     overworldUpdate();
   }
   

src/dusk/world/chunk.h

@@ -8,12 +8,12 @@
 #pragma once
 #include "tile.h"
 
-#define CHUNK_MAP_WIDTH 5
-#define CHUNK_MAP_HEIGHT 5
+#define CHUNK_MAP_WIDTH 4
+#define CHUNK_MAP_HEIGHT 4
 #define CHUNK_MAP_COUNT (CHUNK_MAP_WIDTH * CHUNK_MAP_HEIGHT)
 
-#define CHUNK_WIDTH 4
-#define CHUNK_HEIGHT 4
+#define CHUNK_WIDTH 8
+#define CHUNK_HEIGHT 8
 #define CHUNK_TILE_COUNT (CHUNK_WIDTH * CHUNK_HEIGHT)
 
 typedef struct {

src/dusk/world/overworld.c

@@ -8,44 +8,41 @@
 #include "overworld.h"
 #include "chunk.h"
 #include "display/render.h"
+#include "assert/assert.h"
 
-uint16_t OVERWORLD_CAMERA_X = 0;
-int8_t OVERWORLD_CAMERA_SUB_X = 0;
-uint16_t OVERWORLD_CAMERA_Y = 0;
-int8_t OVERWORLD_CAMERA_SUB_Y = 0;
+uint32_t OVERWORLD_CAMERA_X;
+uint32_t OVERWORLD_CAMERA_Y;
+overworldcameratype_t OVERWORLD_CAMERA_TYPE;
 
 void overworldInit(void) {
-  OVERWORLD_CAMERA_X = 0;
-  OVERWORLD_CAMERA_SUB_X = 0;
-  OVERWORLD_CAMERA_Y = 0;
-  OVERWORLD_CAMERA_SUB_Y = 0;
-
   chunkMapInit();
+  OVERWORLD_CAMERA_X = 0;
+  OVERWORLD_CAMERA_Y = 0;
+  OVERWORLD_CAMERA_TYPE = OVERWORLD_CAMERA_TYPE_CENTERED_POSITION;
 }
 
-void overworldUpdate() {  
-  while(OVERWORLD_CAMERA_SUB_X >= TILE_WIDTH) {
-    OVERWORLD_CAMERA_SUB_X -= TILE_WIDTH;
-    OVERWORLD_CAMERA_X++;
-  }
-
-  while(OVERWORLD_CAMERA_SUB_X < 0) {
-    OVERWORLD_CAMERA_SUB_X += TILE_WIDTH;
-    OVERWORLD_CAMERA_X--;
-  }
-  
-  while(OVERWORLD_CAMERA_SUB_Y >= TILE_HEIGHT) {
-    OVERWORLD_CAMERA_SUB_Y -= TILE_HEIGHT;
-    OVERWORLD_CAMERA_Y++;
-  }
-
-  while(OVERWORLD_CAMERA_SUB_Y < 0) {
-    OVERWORLD_CAMERA_SUB_Y += TILE_HEIGHT;
-    OVERWORLD_CAMERA_Y--;
-  }
-
-  chunkMapSetPosition(
-    (OVERWORLD_CAMERA_X - (RENDER_WIDTH / 2 / TILE_WIDTH)) / CHUNK_WIDTH,
-    (OVERWORLD_CAMERA_Y - (RENDER_HEIGHT / 2 / TILE_HEIGHT)) / CHUNK_HEIGHT
+void overworldUpdate() {
+  assertTrue(
+    OVERWORLD_CAMERA_X < OVERWORLD_CAMERA_LIMIT_X,
+    "Camera position limit (just because I haven't tested properly)"
   );
+  assertTrue(
+    OVERWORLD_CAMERA_Y < OVERWORLD_CAMERA_LIMIT_Y,
+    "Camera position limit (just because I haven't tested properly)"
+  );
+
+  uint16_t x, y;
+  if(OVERWORLD_CAMERA_X < RENDER_WIDTH / 2) {
+    x = 0;
+  } else {
+    x = (OVERWORLD_CAMERA_X - (RENDER_WIDTH / 2)) / (CHUNK_WIDTH * TILE_WIDTH);
+  }
+
+  if(OVERWORLD_CAMERA_Y < RENDER_HEIGHT / 2) {
+    y = 0;
+  } else {
+    y = (OVERWORLD_CAMERA_Y - (RENDER_HEIGHT / 2)) / (CHUNK_HEIGHT * TILE_HEIGHT);
+  }
+
+  chunkMapSetPosition(x, y);
 }

src/dusk/world/overworld.h

@@ -8,11 +8,16 @@
 #pragma once
 #include "dusk.h"
 
-extern uint16_t OVERWORLD_CAMERA_X;
-extern int8_t OVERWORLD_CAMERA_SUB_X;
-extern uint16_t OVERWORLD_CAMERA_Y;
-extern int8_t OVERWORLD_CAMERA_SUB_Y;
+typedef enum {
+  OVERWORLD_CAMERA_TYPE_CENTERED_POSITION,
+} overworldcameratype_t;
 
+extern uint32_t OVERWORLD_CAMERA_X;
+extern uint32_t OVERWORLD_CAMERA_Y;
+extern overworldcameratype_t OVERWORLD_CAMERA_TYPE;
+
+#define OVERWORLD_CAMERA_LIMIT_X (UINT32_MAX / 4)
+#define OVERWORLD_CAMERA_LIMIT_Y (UINT32_MAX / 4)
 
 /**
  * Initializes the overworld.

src/duskraylib/display/draw/drawoverworld.c

@@ -22,18 +22,19 @@ void drawOverworldInit(void) {
 }
 
 void drawOverworldDraw(void) {
-  BeginMode2D(DRAW_OVERWORLD_CAMERA);
+  if(OVERWORLD_CAMERA_X < RENDER_WIDTH / 2) {
+    DRAW_OVERWORLD_CAMERA.target.x = 0;
+  } else {
+    DRAW_OVERWORLD_CAMERA.target.x = (OVERWORLD_CAMERA_X - RENDER_WIDTH) / 2;
+  }
 
-  DRAW_OVERWORLD_CAMERA.target.x = (
-    OVERWORLD_CAMERA_X * TILE_WIDTH + OVERWORLD_CAMERA_SUB_X
-  ) - (
-    RENDER_WIDTH / 2
-  );
-  DRAW_OVERWORLD_CAMERA.target.y = (
-    OVERWORLD_CAMERA_Y * TILE_HEIGHT + OVERWORLD_CAMERA_SUB_Y
-  ) - (
-    RENDER_HEIGHT / 2
-  );
+  if(OVERWORLD_CAMERA_Y < RENDER_HEIGHT / 2) {
+    DRAW_OVERWORLD_CAMERA.target.y = 0;
+  } else {
+    DRAW_OVERWORLD_CAMERA.target.y = (OVERWORLD_CAMERA_Y - RENDER_HEIGHT) / 2;
+  }
+  
+  BeginMode2D(DRAW_OVERWORLD_CAMERA);
 
   chunk_t *chunk = CHUNK_MAP.chunks;
   do {

src/duskraylib/display/render.c

@@ -14,8 +14,8 @@ RenderTexture2D RENDER_SCREEN_TEXTURE;
 
 void renderInit(void) {
   InitWindow(
-    RENDER_WIDTH * 2,
-    RENDER_HEIGHT * 2,
+    RENDER_WIDTH * 3,
+    RENDER_HEIGHT * 3,
     "Dusk Raylib Render"
   );
   SetTargetFPS(60);