use flatshading for space and skip setting irrelevant vertex color

apps/twnlua/bindgen.py

@@ -164,15 +164,10 @@ print('\n'.join(bindings))
 
 
 loader = "void bindgen_load_%s(lua_State *L) {\n" % api["name"]
-modules = set(api["procedures"][procedure]["module"] for procedure in api["procedures"])
-for module in modules:
-    loader += "    bindgen_init();\n"
-    loader += "    lua_createtable(L, 0, %i);\n" % len(api["procedures"])
-    for procedure, procedure_desc in api["procedures"].items():
-        if procedure_desc["module"] == module:
-            loader += "    lua_pushcfunction(L, binding_%s);\n" % procedure
-            loader += "    lua_setfield(L, -2, \"%s\");\n" % procedure_desc["symbol"]
-    loader += "    lua_setglobal(L, \"%s\");\n" % module
+loader += "    bindgen_init();\n"
+for procedure, procedure_desc in api["procedures"].items():
+    loader += "    lua_pushcfunction(L, binding_%s);\n" % procedure
+    loader += "    lua_setglobal(L, \"%s\");\n" % procedure
 
 loader += "}\n"
 print(loader)

apps/twnlua/data/scripts/game.lua

@@ -4,17 +4,17 @@ offset = { x = 0, y = 0 }
 angle = 0
 
 function game_tick()
-    input.action {
+    input_action {
         name = "press",
         control = "A"
     }
 
-    draw.rectangle {
+    draw_rectangle {
         rect = { x = 0, y = 0, w = 640, h = 360 },
         color = { r = 127, g = 0, b = 127, a = 255 },
     }
 
-    draw.sprite {
+    draw_sprite {
         texture = "/assets/title.png",
         rect = {
             x = 320 - (320 / 2),
@@ -24,8 +24,8 @@ function game_tick()
         },
     }
 
-    if input.action_pressed { name = "press" } then
-        draw.text {
+    if input_action_pressed { name = "press" } then
+        draw_text {
             string = "it never happened",
             position = offset,
             font = "/fonts/kenney-pixel.ttf",

src/rendering/twn_billboards.c

@@ -108,11 +108,11 @@ void finally_draw_billboard_batch(struct MeshBatch const *batch,
             }
 
             struct ElementIndexedBillboard const payload = {
-                /* TODO: use the flat shading to not set two of the colors */
+                /* flat shading is assumed, so we can skip setting the duplicates */
                 .c0 = billboard.color,
-                .c1 = billboard.color,
+                // .c1 = billboard.color,
                 .c2 = billboard.color,
-                .c3 = billboard.color,
+                // .c3 = billboard.color,
 
                 .uv0 = uv0,
                 .uv1 = uv1,

src/rendering/twn_gl_15_rendering.c

@@ -48,7 +48,7 @@ void finally_use_space_pipeline(void) {
 
         glNewList(list, GL_COMPILE); {
             glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
-            glShadeModel(GL_SMOOTH);
+            glShadeModel(GL_FLAT);
 
             if (GLAD_GL_ARB_depth_clamp)
                 glDisable(GL_DEPTH_CLAMP);