twn_amalgam.c: a way for single unit compilation, controlled with -DTWN_USE_AMALGAM in cmake

src/twn_amalgam.c

@@ -0,0 +1,19 @@
+/* a technique for faster compilation */
+/* it includes all non-optional .c files directly in a single compilation unit */
+
+#include "twn_audio.c"
+#include "twn_camera.c"
+#include "twn_context.c"
+#include "twn_input.c"
+#include "twn_loop.c"
+#include "twn_main.c"
+#include "twn_textures.c"
+#include "twn_util.c"
+
+#include "rendering/twn_circles.c"
+#include "rendering/twn_draw.c"
+#include "rendering/twn_fog.c"
+#include "rendering/twn_skybox.c"
+#include "rendering/twn_sprites.c"
+#include "rendering/twn_text.c"
+#include "rendering/twn_triangles.c"

src/twn_stb.c

@@ -0,0 +1,24 @@
+/* single compilation unit for every stb implementation */
+
+#define STB_DS_IMPLEMENTATION
+#define STBDS_ASSERT SDL_assert
+#define STBDS_REALLOC(context,ptr,size) ((void)(context), SDL_realloc(ptr, size))
+#define STBDS_FREE(context,ptr) ((void)(context), SDL_free(ptr))
+#include <stb_ds.h>
+
+#define STB_RECT_PACK_IMPLEMENTATION
+#define STBRP_SORT SDL_qsort
+#define STBRP_ASSERT SDL_assert
+#include <stb_rect_pack.h>
+
+#define STB_TRUETYPE_IMPLEMENTATION
+#define STBTT_malloc(x,u) ((void)(u), SDL_malloc(x))
+#define STBTT_free(x,u) ((void)(u), SDL_free(x))
+#define STBTT_assert(x) SDL_assert(x)
+#define STBTT_strlen(x) SDL_strlen(x)
+#define STBTT_memcpy SDL_memcpy
+#define STBTT_memset SDL_memset
+#include <stb_truetype.h>
+
+#define STB_IMAGE_IMPLEMENTATION
+#include <stb_image.h>

src/twn_textures.c

@@ -8,8 +8,6 @@
 #include <physfsrwops.h>
 #include <stb_ds.h>
 #include <stb_rect_pack.h>
-
-#define STB_IMAGE_IMPLEMENTATION
 #include <stb_image.h>
 
 #include <stdbool.h>

src/twn_util.c

@@ -4,23 +4,7 @@
 
 #include <SDL2/SDL.h>
 #include <physfsrwops.h>
-#define STB_DS_IMPLEMENTATION
-#define STBDS_ASSERT SDL_assert
-#define STBDS_REALLOC(context,ptr,size) ((void)(context), SDL_realloc(ptr, size))
-#define STBDS_FREE(context,ptr) ((void)(context), SDL_free(ptr))
 #include <stb_ds.h>
-#define STB_RECT_PACK_IMPLEMENTATION
-#define STBRP_SORT SDL_qsort
-#define STBRP_ASSERT SDL_assert
-#include <stb_rect_pack.h>
-#define STB_TRUETYPE_IMPLEMENTATION
-#define STBTT_malloc(x,u) ((void)(u), SDL_malloc(x))
-#define STBTT_free(x,u) ((void)(u), SDL_free(x))
-#define STBTT_assert(x) SDL_assert(x)
-#define STBTT_strlen(x) SDL_strlen(x)
-#define STBTT_memcpy SDL_memcpy
-#define STBTT_memset SDL_memset
-#include <stb_truetype.h>
 
 #include <stdarg.h>