Handle numbers more consistently in Lua API;

I still don't know if I should cast or not, but at least now things
will be consistently right or wrong.

src/api/audio.c

@@ -146,8 +146,8 @@ static int l_lovrAudioRewind(lua_State* L) {
 }
 
 static int l_lovrAudioSetDopplerEffect(lua_State* L) {
-  float factor = luaL_optnumber(L, 1, 1.);
+  float factor = luaL_optnumber(L, 1, 1.f);
-  float speedOfSound = luaL_optnumber(L, 2, 343.29);
+  float speedOfSound = luaL_optnumber(L, 2, 343.29f);
   lovrAudioSetDopplerEffect(factor, speedOfSound);
   return 0;
 }

src/api/data.c

@@ -55,10 +55,10 @@ static int l_lovrDataNewRasterizer(lua_State* L) {
   float size;
 
   if (lua_type(L, 1) == LUA_TNUMBER || lua_isnoneornil(L, 1)) {
-    size = luaL_optnumber(L, 1, 32);
+    size = luaL_optnumber(L, 1, 32.f);
   } else {
     blob = luax_readblob(L, 1, "Font");
-    size = luaL_optnumber(L, 2, 32);
+    size = luaL_optnumber(L, 2, 32.f);
   }
 
   Rasterizer* rasterizer = lovrRasterizerCreate(blob, size);
@@ -99,8 +99,8 @@ static int l_lovrDataNewSoundData(lua_State* L) {
 static int l_lovrDataNewTextureData(lua_State* L) {
   TextureData* textureData = NULL;
   if (lua_type(L, 1) == LUA_TNUMBER) {
-    int width = luaL_checknumber(L, 1);
+    int width = luaL_checkinteger(L, 1);
-    int height = luaL_checknumber(L, 2);
+    int height = luaL_checkinteger(L, 2);
     TextureFormat format = luaL_checkoption(L, 3, "rgba", TextureFormats);
     textureData = lovrTextureDataCreate(width, height, 0x0, format);
   } else {

src/api/graphics.c

@@ -407,11 +407,7 @@ static int l_lovrGraphicsGetBackgroundColor(lua_State* L) {
 }
 
 static int l_lovrGraphicsSetBackgroundColor(lua_State* L) {
-  Color color;
+  Color color = luax_checkcolor(L, 1);
-  color.r = luaL_checknumber(L, 1);
-  color.g = luaL_checknumber(L, 2);
-  color.b = luaL_checknumber(L, 3);
-  color.a = luaL_optnumber(L, 4, 1.);
   lovrGraphicsSetBackgroundColor(color);
   return 0;
 }
@@ -481,7 +477,7 @@ static int l_lovrGraphicsGetDefaultFilter(lua_State* L) {
 
 static int l_lovrGraphicsSetDefaultFilter(lua_State* L) {
   FilterMode mode = luaL_checkoption(L, 1, NULL, FilterModes);
-  float anisotropy = luaL_optnumber(L, 2, 1.);
+  float anisotropy = luaL_optnumber(L, 2, 1.f);
   lovrGraphicsSetDefaultFilter((TextureFilter) { .mode = mode, .anisotropy = anisotropy });
   return 0;
 }
@@ -670,7 +666,7 @@ static int l_lovrGraphicsClear(lua_State* L) {
       color.r = luaL_checknumber(L, index++);
       color.g = luaL_checknumber(L, index++);
       color.b = luaL_checknumber(L, index++);
-      color.a = luaL_optnumber(L, index++, 1.);
+      color.a = luaL_optnumber(L, index++, 1.f);
     } else {
       clearColor = lua_toboolean(L, index++);
     }
@@ -794,8 +790,8 @@ static int l_lovrGraphicsArc(lua_State* L) {
   }
   float transform[16];
   index = luax_readmat4(L, index, transform, 1, NULL);
-  float r1 = luaL_optnumber(L, index++, 0);
+  float r1 = luaL_optnumber(L, index++, 0.f);
-  float r2 = luaL_optnumber(L, index++, 2 * M_PI);
+  float r2 = luaL_optnumber(L, index++, 2.f * M_PI);
   int segments = luaL_optinteger(L, index, 64) * (MIN(fabsf(r2 - r1), 2 * M_PI) / (2 * M_PI));
   lovrGraphicsArc(style, mode, material, transform, r1, r2, segments);
   return 0;
@@ -811,7 +807,7 @@ static int l_lovrGraphicsCircle(lua_State* L) {
   }
   float transform[16];
   int index = luax_readmat4(L, 2, transform, 1, NULL);
-  int segments = luaL_optnumber(L, index, 32);
+  int segments = luaL_optinteger(L, index, 32);
   lovrGraphicsCircle(style, material, transform, segments);
   return 0;
 }
@@ -821,10 +817,10 @@ static int l_lovrGraphicsCylinder(lua_State* L) {
   int index = 1;
   Material* material = lua_isuserdata(L, index) ? luax_checktype(L, index++, Material) : NULL;
   index = luax_readmat4(L, index, transform, 1, NULL);
-  float r1 = luaL_optnumber(L, index++, 1.);
+  float r1 = luaL_optnumber(L, index++, 1.f);
-  float r2 = luaL_optnumber(L, index++, 1.);
+  float r2 = luaL_optnumber(L, index++, 1.f);
   bool capped = lua_isnoneornil(L, index) ? true : lua_toboolean(L, index++);
-  int segments = luaL_optnumber(L, index, floorf(16 + 16 * MAX(r1, r2)));
+  int segments = luaL_optinteger(L, index, (lua_Integer) floorf(16 + 16 * MAX(r1, r2)));
   lovrGraphicsCylinder(material, transform, r1, r2, capped, segments);
   return 0;
 }
@@ -834,17 +830,17 @@ static int l_lovrGraphicsSphere(lua_State* L) {
   int index = 1;
   Material* material = lua_isuserdata(L, index) ? luax_checktype(L, index++, Material) : NULL;
   index = luax_readmat4(L, index, transform, 1, NULL);
-  int segments = luaL_optnumber(L, index, 30);
+  int segments = luaL_optinteger(L, index, 30);
   lovrGraphicsSphere(material, transform, segments);
   return 0;
 }
 
 static int l_lovrGraphicsSkybox(lua_State* L) {
   Texture* texture = luax_checktexture(L, 1);
-  float angle = luaL_optnumber(L, 2, 0);
+  float angle = luaL_optnumber(L, 2, 0.f);
-  float ax = luaL_optnumber(L, 3, 0);
+  float ax = luaL_optnumber(L, 3, 0.f);
-  float ay = luaL_optnumber(L, 4, 1);
+  float ay = luaL_optnumber(L, 4, 1.f);
-  float az = luaL_optnumber(L, 5, 0);
+  float az = luaL_optnumber(L, 5, 0.f);
   lovrGraphicsSkybox(texture, angle, ax, ay, az);
   return 0;
 }
@@ -854,7 +850,7 @@ static int l_lovrGraphicsPrint(lua_State* L) {
   const char* str = luaL_checklstring(L, 1, &length);
   float transform[16];
   int index = luax_readmat4(L, 2, transform, 1, NULL);
-  float wrap = luaL_optnumber(L, index++, 0);
+  float wrap = luaL_optnumber(L, index++, 0.f);
   HorizontalAlign halign = luaL_checkoption(L, index++, "center", HorizontalAligns);
   VerticalAlign valign = luaL_checkoption(L, index++, "middle", VerticalAligns);
   lovrGraphicsPrint(str, length, transform, wrap, halign, valign);
@@ -877,10 +873,10 @@ static int l_lovrGraphicsStencil(lua_State* L) {
 
 static int l_lovrGraphicsFill(lua_State* L) {
   Texture* texture = lua_isnoneornil(L, 1) ? NULL : luax_checktexture(L, 1);
-  float u = luaL_optnumber(L, 2, 0.);
+  float u = luaL_optnumber(L, 2, 0.f);
-  float v = luaL_optnumber(L, 3, 0.);
+  float v = luaL_optnumber(L, 3, 0.f);
-  float w = luaL_optnumber(L, 4, 1. - u);
+  float w = luaL_optnumber(L, 4, 1.f - u);
-  float h = luaL_optnumber(L, 5, 1. - v);
+  float h = luaL_optnumber(L, 5, 1.f - v);
   lovrGraphicsFill(texture, u, v, w, h);
   return 0;
 }
@@ -1068,10 +1064,10 @@ static int l_lovrGraphicsNewFont(lua_State* L) {
     float size;
 
     if (lua_type(L, 1) == LUA_TNUMBER || lua_isnoneornil(L, 1)) {
-      size = luaL_optnumber(L, 1, 32);
+      size = luaL_optinteger(L, 1, 32);
     } else {
       blob = luax_readblob(L, 1, "Font");
-      size = luaL_optnumber(L, 2, 32);
+      size = luaL_optinteger(L, 2, 32);
     }
 
     rasterizer = lovrRasterizerCreate(blob, size);

src/api/headset.c

@@ -355,12 +355,12 @@ int luaopen_lovr_headset(lua_State* L) {
 
     // Offset
     lua_getfield(L, -1, "offset");
-    offset = luaL_optnumber(L, -1, 1.7);
+    offset = luaL_optnumber(L, -1, 1.7f);
     lua_pop(L, 1);
 
     // MSAA
     lua_getfield(L, -1, "msaa");
-    msaa = luaL_optnumber(L, -1, 4);
+    msaa = luaL_optinteger(L, -1, 4);
     lua_pop(L, 1);
   }
 

src/api/math.c

@@ -121,7 +121,7 @@ static int l_lovrMathNewRandomGenerator(lua_State* L) {
 static int l_lovrMathLookAt(lua_State* L) {
   float from[3] = { luaL_checknumber(L, 1), luaL_checknumber(L, 2), luaL_checknumber(L, 3) };
   float to[3] = { luaL_checknumber(L, 4), luaL_checknumber(L, 5), luaL_checknumber(L, 6) };
-  float up[3] = { luaL_optnumber(L, 7, 0), luaL_optnumber(L, 8, 1), luaL_optnumber(L, 9, 0) };
+  float up[3] = { luaL_optnumber(L, 7, 0.f), luaL_optnumber(L, 8, 1.f), luaL_optnumber(L, 9, 0.f) };
   float m[16], q[4], angle, ax, ay, az;
   mat4_lookAt(m, from, to, up);
   quat_fromMat4(q, m);
@@ -135,9 +135,9 @@ static int l_lovrMathLookAt(lua_State* L) {
 
 static int l_lovrMathOrientationToDirection(lua_State* L) {
   float angle = luaL_checknumber(L, 1);
-  float ax = luaL_optnumber(L, 2, 0);
+  float ax = luaL_optnumber(L, 2, 0.f);
-  float ay = luaL_optnumber(L, 3, 1);
+  float ay = luaL_optnumber(L, 3, 1.f);
-  float az = luaL_optnumber(L, 4, 0);
+  float az = luaL_optnumber(L, 4, 0.f);
   float v[3];
   lovrMathOrientationToDirection(angle, ax, ay, az, v);
   lua_pushnumber(L, v[0]);

src/api/physics.c

@@ -19,7 +19,7 @@ const char* JointTypes[] = {
 
 static int l_lovrPhysicsNewWorld(lua_State* L) {
   float xg = luaL_optnumber(L, 1, 0.f);
-  float yg = luaL_optnumber(L, 2, -9.81);
+  float yg = luaL_optnumber(L, 2, -9.81f);
   float zg = luaL_optnumber(L, 3, 0.f);
   bool allowSleep = lua_gettop(L) < 4 || lua_toboolean(L, 4);
   const char* tags[16];

src/api/timer.c

@@ -12,7 +12,7 @@ static int l_lovrTimerGetAverageDelta(lua_State* L) {
 }
 
 static int l_lovrTimerGetFPS(lua_State* L) {
-  lua_pushnumber(L, lovrTimerGetFPS());
+  lua_pushinteger(L, lovrTimerGetFPS());
   return 1;
 }
 

src/api/types/collider.c

@@ -277,7 +277,7 @@ int l_lovrColliderGetLinearDamping(lua_State* L) {
 int l_lovrColliderSetLinearDamping(lua_State* L) {
   Collider* collider = luax_checktype(L, 1, Collider);
   float damping = luaL_checknumber(L, 2);
-  float threshold = luaL_optnumber(L, 3, .01);
+  float threshold = luaL_optnumber(L, 3, .01f);
   lovrColliderSetLinearDamping(collider, damping, threshold);
   return 0;
 }
@@ -294,7 +294,7 @@ int l_lovrColliderGetAngularDamping(lua_State* L) {
 int l_lovrColliderSetAngularDamping(lua_State* L) {
   Collider* collider = luax_checktype(L, 1, Collider);
   float damping = luaL_checknumber(L, 2);
-  float threshold = luaL_optnumber(L, 3, .01);
+  float threshold = luaL_optnumber(L, 3, .01f);
   lovrColliderSetAngularDamping(collider, damping, threshold);
   return 0;
 }

src/api/types/controller.c

@@ -76,8 +76,8 @@ int l_lovrControllerIsTouched(lua_State* L) {
 
 int l_lovrControllerVibrate(lua_State* L) {
   Controller* controller = luax_checktype(L, 1, Controller);
-  float duration = luaL_optnumber(L, 2, .5);
+  float duration = luaL_optnumber(L, 2, .5f);
-  float power = luaL_optnumber(L, 3, 1);
+  float power = luaL_optnumber(L, 3, 1.f);
   lovrHeadsetDriver->controllerVibrate(controller, duration, power);
   return 0;
 }

src/api/types/curve.c

@@ -26,8 +26,8 @@ int l_lovrCurveGetTangent(lua_State* L) {
 int l_lovrCurveRender(lua_State* L) {
   Curve* curve = luax_checktype(L, 1, Curve);
   int n = luaL_optinteger(L, 2, 32);
-  float t1 = luaL_optnumber(L, 3, 0.f);
+  float t1 = luaL_optnumber(L, 3, 0.);
-  float t2 = luaL_optnumber(L, 4, 1.f);
+  float t2 = luaL_optnumber(L, 4, 1.);
   float* points = malloc(3 * n * sizeof(float));
   lovrCurveRender(curve, t1, t2, points, n);
   lua_createtable(L, n, 0);

src/api/types/font.c

@@ -5,7 +5,7 @@ int l_lovrFontGetWidth(lua_State* L) {
   Font* font = luax_checktype(L, 1, Font);
   size_t length;
   const char* string = luaL_checklstring(L, 2, &length);
-  float wrap = luaL_optnumber(L, 3, 0);
+  float wrap = luaL_optnumber(L, 3, 0.f);
   float width;
   uint32_t lineCount;
   uint32_t glyphCount;
@@ -59,7 +59,7 @@ int l_lovrFontGetPixelDensity(lua_State* L) {
 
 int l_lovrFontSetPixelDensity(lua_State* L) {
   Font* font = luax_checktype(L, 1, Font);
-  float pixelDensity = luaL_optnumber(L, 2, -1);
+  float pixelDensity = luaL_optnumber(L, 2, -1.f);
   lovrFontSetPixelDensity(font, pixelDensity);
   return 0;
 }

src/api/types/mat4.c

@@ -172,16 +172,16 @@ static int l_lovrMat4GetTransform(lua_State* L) {
 
 static int l_lovrMat4SetTransform(lua_State* L) {
   mat4 m = luax_checkmathtype(L, 1, MATH_MAT4, NULL);
-  float x = luaL_optnumber(L, 2, 0.);
+  float x = luaL_optnumber(L, 2, 0.f);
-  float y = luaL_optnumber(L, 3, 0.);
+  float y = luaL_optnumber(L, 3, 0.f);
-  float z = luaL_optnumber(L, 4, 0.);
+  float z = luaL_optnumber(L, 4, 0.f);
-  float sx = luaL_optnumber(L, 5, 1.);
+  float sx = luaL_optnumber(L, 5, 1.f);
   float sy = luaL_optnumber(L, 6, sx);
   float sz = luaL_optnumber(L, 7, sx);
-  float angle = luaL_optnumber(L, 8, 0.);
+  float angle = luaL_optnumber(L, 8, 0.f);
-  float ax = luaL_optnumber(L, 9, 0.);
+  float ax = luaL_optnumber(L, 9, 0.f);
-  float ay = luaL_optnumber(L, 10, 1.);
+  float ay = luaL_optnumber(L, 10, 1.f);
-  float az = luaL_optnumber(L, 11, 0.);
+  float az = luaL_optnumber(L, 11, 0.f);
   mat4_setTransform(m, x, y, z, sx, sy, sz, angle, ax, ay, az);
   lua_settop(L, 1);
   return 1;

src/api/types/quat.c

@@ -10,10 +10,10 @@ int luax_readquat(lua_State* L, int index, quat q, const char* expected) {
       quat_set(q, 0, 0, 0, 0);
       return ++index;
     case LUA_TNUMBER:
-      angle = luaL_optnumber(L, index++, 0.);
+      angle = luaL_optnumber(L, index++, 0.f);
-      ax = luaL_optnumber(L, index++, 0.);
+      ax = luaL_optnumber(L, index++, 0.f);
-      ay = luaL_optnumber(L, index++, 1.);
+      ay = luaL_optnumber(L, index++, 1.f);
-      az = luaL_optnumber(L, index++, 0.);
+      az = luaL_optnumber(L, index++, 0.f);
       quat_fromAngleAxis(q, angle, ax, ay, az);
       return index;
     default:

src/api/types/randomGenerator.c

@@ -79,8 +79,8 @@ int l_lovrRandomGeneratorRandom(lua_State* L) {
 
 int l_lovrRandomGeneratorRandomNormal(lua_State* L) {
   RandomGenerator* generator = luax_checktype(L, 1, RandomGenerator);
-  float sigma = luaL_optnumber(L, 2, 1);
+  float sigma = luaL_optnumber(L, 2, 1.f);
-  float mu = luaL_optnumber(L, 3, 0);
+  float mu = luaL_optnumber(L, 3, 0.f);
   lua_pushnumber(L, mu + lovrRandomGeneratorRandomNormal(generator) * sigma);
   return 1;
 }

src/api/types/shader.c

@@ -59,7 +59,7 @@ int luax_checkuniform(lua_State* L, int index, const Uniform* uniform, void* des
       }
 
       switch (uniformType) {
-        case UNIFORM_FLOAT: *((float*) dest + i) = luaL_optnumber(L, j, 0.); break;
+        case UNIFORM_FLOAT: *((float*) dest + i) = luaL_optnumber(L, j, 0.f); break;
         case UNIFORM_INT: *((int*) dest + i) = luaL_optinteger(L, j, 0); break;
         case UNIFORM_SAMPLER:
           *((Texture**) dest + i) = luax_checktype(L, j, Texture);
@@ -121,7 +121,7 @@ int luax_checkuniform(lua_State* L, int index, const Uniform* uniform, void* des
           switch (uniformType) {
             case UNIFORM_FLOAT:
             case UNIFORM_MATRIX:
-              *((float*) dest + i * components + j) = luaL_optnumber(L, -1, 0.);
+              *((float*) dest + i * components + j) = luaL_optnumber(L, -1, 0.f);
               break;
 
             case UNIFORM_INT:
@@ -160,11 +160,11 @@ int luax_checkuniform(lua_State* L, int index, const Uniform* uniform, void* des
           switch (uniformType) {
             case UNIFORM_FLOAT:
             case UNIFORM_MATRIX:
-              *((float*) dest + i * components + j) = luaL_optnumber(L, -1, 0.);
+              *((float*) dest + i * components + j) = luaL_optnumber(L, -1, 0.f);
               break;
 
             case UNIFORM_INT:
-              *((float*) dest + i * components + j) = luaL_optinteger(L, -1, 0);
+              *((int*) dest + i * components + j) = luaL_optinteger(L, -1, 0);
               break;
 
             case UNIFORM_SAMPLER:

src/api/types/texture.c

@@ -92,7 +92,7 @@ int l_lovrTextureReplacePixels(lua_State* L) {
 int l_lovrTextureSetFilter(lua_State* L) {
   Texture* texture = luax_checktype(L, 1, Texture);
   FilterMode mode = luaL_checkoption(L, 2, NULL, FilterModes);
-  float anisotropy = luaL_optnumber(L, 3, 1.);
+  float anisotropy = luaL_optnumber(L, 3, 1.f);
   TextureFilter filter = { .mode = mode, .anisotropy = anisotropy };
   lovrTextureSetFilter(texture, filter);
   return 0;

src/api/types/vec3.c

@@ -10,9 +10,9 @@ int luax_readvec3(lua_State* L, int index, vec3 v, const char* expected) {
       v[0] = v[1] = v[2] = 0.f;
       return ++index;
     case LUA_TNUMBER:
-      v[0] = luaL_optnumber(L, index++, 0.);
+      v[0] = luaL_optnumber(L, index++, 0.f);
-      v[1] = luaL_optnumber(L, index++, 0.);
+      v[1] = luaL_optnumber(L, index++, 0.f);
-      v[2] = luaL_optnumber(L, index++, 0.);
+      v[2] = luaL_optnumber(L, index++, 0.f);
       return index;
     default:
       vec3_init(v, luax_checkmathtype(L, index++, MATH_VEC3, expected ? expected : "vec3 or number"));
@@ -28,7 +28,7 @@ int luax_readscale(lua_State* L, int index, vec3 v, int components, const char*
       return index + components;
     case LUA_TNUMBER:
       if (components == 1) {
-        v[0] = v[1] = v[2] = luaL_optnumber(L, index++, 0.);
+        v[0] = v[1] = v[2] = luaL_optnumber(L, index++, 0.f);
       } else {
         v[0] = 1.f;
         for (int i = 0; i < components; i++) {
@@ -67,7 +67,7 @@ static int l_lovrVec3Unpack(lua_State* L) {
 int l_lovrVec3Set(lua_State* L) {
   vec3 v = luax_checkmathtype(L, 1, MATH_VEC3, NULL);
   if (lua_isnoneornil(L, 2) || lua_type(L, 2) == LUA_TNUMBER) {
-    float x = luaL_optnumber(L, 2, 0.);
+    float x = luaL_optnumber(L, 2, 0.f);
     vec3_set(v, x, luaL_optnumber(L, 3, x), luaL_optnumber(L, 4, x));
   } else {
     vec3 u = luax_checkmathtype(L, 2, MATH_VEC3, "vec3 or number");

src/api/types/vertexData.c

@@ -199,7 +199,7 @@ int l_lovrVertexDataSetVertices(lua_State* L) {
   VertexFormat* format = &vertexData->format;
   luaL_checktype(L, 2, LUA_TTABLE);
   uint32_t vertexCount = lua_objlen(L, 2);
-  int start = luaL_optnumber(L, 3, 1) - 1;
+  int start = luaL_optinteger(L, 3, 1) - 1;
   lovrAssert(start + vertexCount <= vertexData->count, "VertexData can only hold %d vertices", vertexData->count);
   VertexPointer vertices = { .raw = vertexData->blob.data };
   vertices.bytes += start * format->stride;

src/api/types/world.c

@@ -39,9 +39,9 @@ static void raycastCallback(Shape* shape, float x, float y, float z, float nx, f
 
 int l_lovrWorldNewCollider(lua_State* L) {
   World* world = luax_checktype(L, 1, World);
-  float x = luaL_optnumber(L, 2, 0);
+  float x = luaL_optnumber(L, 2, 0.f);
-  float y = luaL_optnumber(L, 3, 0);
+  float y = luaL_optnumber(L, 3, 0.f);
-  float z = luaL_optnumber(L, 4, 0);
+  float z = luaL_optnumber(L, 4, 0.f);
   Collider* collider = lovrColliderCreate(world, x, y, z);
   luax_pushobject(L, collider);
   lovrRelease(collider);
@@ -50,9 +50,9 @@ int l_lovrWorldNewCollider(lua_State* L) {
 
 int l_lovrWorldNewBoxCollider(lua_State* L) {
   World* world = luax_checktype(L, 1, World);
-  float x = luaL_optnumber(L, 2, 0);
+  float x = luaL_optnumber(L, 2, 0.f);
-  float y = luaL_optnumber(L, 3, 0);
+  float y = luaL_optnumber(L, 3, 0.f);
-  float z = luaL_optnumber(L, 4, 0);
+  float z = luaL_optnumber(L, 4, 0.f);
   float sx = luaL_optnumber(L, 5, 1.f);
   float sy = luaL_optnumber(L, 6, sx);
   float sz = luaL_optnumber(L, 7, sx);
@@ -67,9 +67,9 @@ int l_lovrWorldNewBoxCollider(lua_State* L) {
 
 int l_lovrWorldNewCapsuleCollider(lua_State* L) {
   World* world = luax_checktype(L, 1, World);
-  float x = luaL_optnumber(L, 2, 0);
+  float x = luaL_optnumber(L, 2, 0.f);
-  float y = luaL_optnumber(L, 3, 0);
+  float y = luaL_optnumber(L, 3, 0.f);
-  float z = luaL_optnumber(L, 4, 0);
+  float z = luaL_optnumber(L, 4, 0.f);
   float radius = luaL_optnumber(L, 5, 1.f);
   float length = luaL_optnumber(L, 6, 1.f);
   Collider* collider = lovrColliderCreate(world, x, y, z);
@@ -83,9 +83,9 @@ int l_lovrWorldNewCapsuleCollider(lua_State* L) {
 
 int l_lovrWorldNewCylinderCollider(lua_State* L) {
   World* world = luax_checktype(L, 1, World);
-  float x = luaL_optnumber(L, 2, 0);
+  float x = luaL_optnumber(L, 2, 0.f);
-  float y = luaL_optnumber(L, 3, 0);
+  float y = luaL_optnumber(L, 3, 0.f);
-  float z = luaL_optnumber(L, 4, 0);
+  float z = luaL_optnumber(L, 4, 0.f);
   float radius = luaL_optnumber(L, 5, 1.f);
   float length = luaL_optnumber(L, 6, 1.f);
   Collider* collider = lovrColliderCreate(world, x, y, z);
@@ -99,9 +99,9 @@ int l_lovrWorldNewCylinderCollider(lua_State* L) {
 
 int l_lovrWorldNewSphereCollider(lua_State* L) {
   World* world = luax_checktype(L, 1, World);
-  float x = luaL_optnumber(L, 2, 0);
+  float x = luaL_optnumber(L, 2, 0.f);
-  float y = luaL_optnumber(L, 3, 0);
+  float y = luaL_optnumber(L, 3, 0.f);
-  float z = luaL_optnumber(L, 4, 0);
+  float z = luaL_optnumber(L, 4, 0.f);
   float radius = luaL_optnumber(L, 5, 1.f);
   Collider* collider = lovrColliderCreate(world, x, y, z);
   SphereShape* shape = lovrSphereShapeCreate(radius);
@@ -144,8 +144,8 @@ int l_lovrWorldCollide(lua_State* L) {
   World* world = luax_checktype(L, 1, World);
   Shape* a = luax_checktype(L, 2, Shape);
   Shape* b = luax_checktype(L, 3, Shape);
-  float friction = luaL_optnumber(L, 4, -1);
+  float friction = luaL_optnumber(L, 4, -1.f);
-  float restitution = luaL_optnumber(L, 5, -1);
+  float restitution = luaL_optnumber(L, 5, -1.f);
   lua_pushboolean(L, lovrWorldCollide(world, a, b, friction, restitution));
   return 1;
 }
@@ -181,7 +181,7 @@ int l_lovrWorldGetLinearDamping(lua_State* L) {
 int l_lovrWorldSetLinearDamping(lua_State* L) {
   World* world = luax_checktype(L, 1, World);
   float damping = luaL_checknumber(L, 2);
-  float threshold = luaL_optnumber(L, 3, .01);
+  float threshold = luaL_optnumber(L, 3, .01f);
   lovrWorldSetLinearDamping(world, damping, threshold);
   return 0;
 }
@@ -198,7 +198,7 @@ int l_lovrWorldGetAngularDamping(lua_State* L) {
 int l_lovrWorldSetAngularDamping(lua_State* L) {
   World* world = luax_checktype(L, 1, World);
   float damping = luaL_checknumber(L, 2);
-  float threshold = luaL_optnumber(L, 3, .01);
+  float threshold = luaL_optnumber(L, 3, .01f);
   lovrWorldSetAngularDamping(world, damping, threshold);
   return 0;
 }

src/data/rasterizer.c

@@ -5,7 +5,7 @@
 #include "msdfgen-c.h"
 #include <math.h>
 
-Rasterizer* lovrRasterizerInit(Rasterizer* rasterizer, Blob* blob, int size) {
+Rasterizer* lovrRasterizerInit(Rasterizer* rasterizer, Blob* blob, float size) {
   stbtt_fontinfo* font = &rasterizer->font;
   unsigned char* data = blob ? blob->data : VarelaRound_ttf;
   if (!stbtt_InitFont(font, data, stbtt_GetFontOffsetForIndex(data, 0))) {

src/data/rasterizer.h

@@ -14,7 +14,7 @@ typedef struct {
   Ref ref;
   stbtt_fontinfo font;
   Blob* blob;
-  int size;
+  float size;
   float scale;
   int glyphCount;
   int height;
@@ -38,7 +38,7 @@ typedef struct {
 
 typedef map_t(Glyph) map_glyph_t;
 
-Rasterizer* lovrRasterizerInit(Rasterizer* rasterizer, Blob* blob, int size);
+Rasterizer* lovrRasterizerInit(Rasterizer* rasterizer, Blob* blob, float size);
 #define lovrRasterizerCreate(...) lovrRasterizerInit(lovrAlloc(Rasterizer), __VA_ARGS__)
 void lovrRasterizerDestroy(void* ref);
 bool lovrRasterizerHasGlyph(Rasterizer* fontData, uint32_t character);

src/luax.c

@@ -275,13 +275,13 @@ Color luax_checkcolor(lua_State* L, int index) {
     color.r = luaL_checknumber(L, -4);
     color.g = luaL_checknumber(L, -3);
     color.b = luaL_checknumber(L, -2);
-    color.a = luaL_optnumber(L, -1, 1);
+    color.a = luaL_optnumber(L, -1, 1.f);
     lua_pop(L, 4);
   } else if (lua_gettop(L) >= index + 2) {
     color.r = luaL_checknumber(L, index);
     color.g = luaL_checknumber(L, index + 1);
     color.b = luaL_checknumber(L, index + 2);
-    color.a = luaL_optnumber(L, index + 3, 1);
+    color.a = luaL_optnumber(L, index + 3, 1.f);
   } else {
     luaL_error(L, "Invalid color, expected 3 numbers, 4 numbers, or a table");
   }