effort to have no warnings once again

src/rendering/twn_draw.c

@@ -223,6 +223,8 @@ static void render_2d(void) {
             case PRIMITIVE_2D_TEXT:
                 render_text(&current->text);
                 break;
+            default:
+                SDL_assert(false);
         }
     }
 }

src/rendering/twn_draw_c.h

@@ -194,6 +194,8 @@ void use_2d_pipeline(void);
 
 void use_texture_mode(TextureMode mode);
 
+void upload_quad_vertices(Rect rect);
+
 void finally_render_sprites(Primitive2D const primitives[],
                             struct SpriteBatch batch,
                             VertexBuffer buffer);

src/rendering/twn_skybox.c

@@ -3,7 +3,7 @@
 
 #include <SDL2/SDL.h>
 
-char *paths_in_use;
+static char *paths_in_use;
 
 void draw_skybox(const char *paths) {
     if (paths_in_use && SDL_strcmp(paths, paths_in_use) == 0)

src/rendering/twn_sprites.c

@@ -199,9 +199,14 @@ void render_sprites(const Primitive2D primitives[],
                 v2 = (Vec2){ sprite.rect.x + sprite.rect.w, sprite.rect.y + sprite.rect.h };
                 v3 = (Vec2){ sprite.rect.x + sprite.rect.w, sprite.rect.y };
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wfloat-equal"
+
             } else if (sprite.rect.w == sprite.rect.h) {
                 /* rotated square case */
 
+#pragma GCC diagnostic pop
+
                 const Vec2 c = frect_center(sprite.rect);
                 const Vec2 t = fast_cossine(sprite.rotation + (float)M_PI_4);
                 const Vec2 d = {

src/rendering/twn_triangles.c

@@ -35,7 +35,7 @@ void draw_triangle(const char *path,
         .uv2 = uv2,
     }};
 
-    union UncoloredSpaceTriangle *triangles = (union UncoloredSpaceTriangle *)batch_p->value.primitives;
+    union UncoloredSpaceTriangle *triangles = (union UncoloredSpaceTriangle *)(void *)batch_p->value.primitives;
 
     arrpush(triangles, triangle);
     batch_p->value.primitives = (uint8_t *)triangles;
@@ -66,7 +66,7 @@ void draw_uncolored_space_traingle_batch(struct MeshBatch *batch,
     /* update pixel-based uvs to correspond with texture atlases */
     for (size_t i = 0; i < primitives_len; ++i) {
         struct UncoloredSpaceTrianglePayload *payload =
-            &((union UncoloredSpaceTriangle *)batch->primitives)[i].payload;
+            &((union UncoloredSpaceTriangle *)(void *)batch->primitives)[i].payload;
 
         payload->uv0.x = xr + ((float)payload->uv0.x / srcrect.w) * wr;
         payload->uv0.y = yr + ((float)payload->uv0.y / srcrect.h) * hr;