/apps/twnlua: add error on attempt to import twnapi.lua

apps/twnlua/docgen.py

@@ -7,9 +7,11 @@ with open(sys.argv[1], 'r') if sys.argv[1] != "-" else sys.stdin as f:
 
 api = json.loads(api_source)
 
-def to_lua_type_annot(typename):
+def to_lua_type_annot(typedesc):
-    basetype = typename.rsplit(' *', 1)[0]
+    if type(typedesc) is dict:
-    if typename == "char *":
+        return r'{ %s }' % ','.join('%s: %s' % (f["name"], to_lua_type_annot(f["type"])) for f in typedesc["fields"])
+    basetype = typedesc.rsplit(' *', 1)[0]
+    if typedesc == "char *":
         return "string"
     elif basetype == "float":
         return "number"
@@ -27,7 +29,9 @@ def to_lua_type_annot(typename):
         return r"{ x: number, y: number, w: number, h: number }"
     else:
         return "unknown"
-        # raise BaseException("Unhandled type for annotation: %s" % typename)
+        # raise BaseException("Unhandled type for annotation: %s" % typedesc)
+
+print("error(\"townengine lua api file is not supposed to be imported!\")")
 
 type_annotations, enum_annotations = {}, {}
 type_annotations["ctx"] = r"{ %s, udata: table }" % \
@@ -45,9 +49,14 @@ for annot in enum_annotations:
 
 procedure_annotations = {}
 for procedure, procedure_desc in api["procedures"].items():
-    procedure_annotations[procedure] = r"{ %s }" % \
+    procedure_annotations[procedure] = {}
+    procedure_annotations[procedure]["params"] = r"{ %s }" % \
         ', '.join("%s: %s" % (p["name"], to_lua_type_annot(p["type"]) + '?' * ("default" in p)) for p in procedure_desc["params"])
+    if "return" in procedure_desc:
+        procedure_annotations[procedure]["return"] = to_lua_type_annot(procedure_desc["return"])
 
 for annot in procedure_annotations:
-    print("---@param args " + procedure_annotations[annot])
+    print("---@param args " + procedure_annotations[annot]["params"])
+    if "return" in procedure_annotations[annot]:
+        print("---@return " + procedure_annotations[annot]["return"])
     print("function %s(args) end" % annot)

src/rendering/twn_draw.c

@@ -25,7 +25,9 @@ Matrix4 camera_look_at_matrix;
 double depth_range_low, depth_range_high;
 
 
-void render_queue_clear(void) {
+void render_clear(void) {
+    draw_camera((Vec3){0, 0, 0}, (Vec3){0, 0, 1}, (Vec3){0, 1, 0}, 1.57079632679f, 1);
+
     text_cache_reset_arena(&ctx.text_cache);
     
     /* since i don't intend to free the queues, */

src/rendering/twn_draw_c.h

@@ -230,7 +230,7 @@ bool render_init(void);
 void render(void);
 
 /* clears all render queues */
-void render_queue_clear(void);
+void render_clear(void);
 
 /* fills two existing arrays with the geometry data of a circle */
 /* the size of indices must be at least 3 times the number of vertices */

src/twn_loop.c

@@ -211,7 +211,7 @@ static void main_loop(void) {
     while (ctx.frame_accumulator >= ctx.desired_frametime) {
         frames += 1;
         /* TODO: disable rendering pushes on not-last ? */
-        render_queue_clear();
+        render_clear();
         poll_events();
         if (ctx.window_size_has_changed)
             update_viewport();