Make Surfaces Float

Makefile

@@ -22,7 +22,7 @@ BUILD_DIR := build
 DIST_DIR  := dist
 ALL_DIRS  := $(addprefix $(BUILD_DIR)/,$(SRC_DIRS))
 
-LIB_FILE   := $(DIST_DIR)/libsm64.so
+LIB_FILE   := $(DIST_DIR)/sm64.so
 LIB_H_FILE := $(DIST_DIR)/include/libsm64.h
 TEST_FILE  := run-test
 
@@ -48,7 +48,7 @@ ifdef WINDOWS_BUILD
   LIB_FILE := $(DIST_DIR)/sm64.dll
   TEST_FILE := $(DIST_DIR)/run-test.exe
 else ifdef MACOS_BUILD
-  LIB_FILE := $(DIST_DIR)/libsm64.dylib
+  LIB_FILE := $(DIST_DIR)/sm64.dylib
 endif
 
 DUMMY := $(shell mkdir -p $(ALL_DIRS) build/test build/test/gl33core build/test/gl20 src/decomp/mario $(DIST_DIR)/include)
@@ -89,12 +89,12 @@ test/level.c: ./import-test-collision.py
 test/main.cpp test/gl20/gl20_renderer.c test/gl33core/gl33core_renderer.c: test/level.c
 
 $(BUILD_DIR)/test/%.o: test/%.c
-	@$(CC) $(CFLAGS) -MM -MP -MT $@ -MF $(BUILD_DIR)/test/$*.d $<
+	@$(CC) $(CFLAGS) -I src/decomp/include -MM -MP -MT $@ -MF $(BUILD_DIR)/test/$*.d $<
-	$(CC) -c $(CFLAGS) -o $@ $<
+	$(CC) -c $(CFLAGS) -I src/decomp/include -o $@ $<
 
 $(BUILD_DIR)/test/%.o: test/%.cpp
-	@$(CXX) $(CFLAGS) -MM -MP -MT $@ -MF $(BUILD_DIR)/test/$*.d $<
+	@$(CXX) $(CFLAGS) -I src/decomp/include -MM -MP -MT $@ -MF $(BUILD_DIR)/test/$*.d $<
-	$(CXX) -c $(CFLAGS) -o $@ $<
+	$(CXX) -c $(CFLAGS) -I src/decomp/include -std=c++17 -o $@ $<
 
 $(TEST_FILE): $(LIB_FILE) $(TEST_OBJS)
 ifdef WINDOWS_BUILD

src/decomp/engine/surface_collision.c

@@ -8,9 +8,9 @@
 /**
  * Iterate through the list of ceilings and find the first ceiling over a given point.
  */
-static struct SM64SurfaceCollisionData *find_ceil_from_list( s32 x, s32 y, s32 z, f32 *pheight) {
+static struct SM64SurfaceCollisionData *find_ceil_from_list( f32 x, f32 y, f32 z, f32 *pheight) {
     register struct SM64SurfaceCollisionData *surf;
-    register s32 x1, z1, x2, z2, x3, z3;
+    register f32 x1, z1, x2, z2, x3, z3;
     struct SM64SurfaceCollisionData *ceil = NULL;
 
     ceil = NULL;
@@ -83,9 +83,9 @@ static struct SM64SurfaceCollisionData *find_ceil_from_list( s32 x, s32 y, s32 z
 /**
  * Iterate through the list of floors and find the first floor under a given point.
  */
-static struct SM64SurfaceCollisionData *find_floor_from_list( s32 x, s32 y, s32 z, f32 *pheight) {
+static struct SM64SurfaceCollisionData *find_floor_from_list( f32 x, f32 y, f32 z, f32 *pheight) {
     register struct SM64SurfaceCollisionData *surf;
-    register s32 x1, z1, x2, z2, x3, z3;
+    register f32 x1, z1, x2, z2, x3, z3;
     f32 nx, ny, nz;
     f32 oo;
     f32 height;

src/libsm64.h

@@ -30,7 +30,7 @@ struct SM64Surface
     int16_t type;
     int16_t force;
     uint16_t terrain;
-    int32_t vertices[3][3];
+    float vertices[3][3]; // world-space coordinates
 };
 
 struct SM64MarioInputs
@@ -115,11 +115,11 @@ struct SM64SurfaceCollisionData
     int16_t force;
     int8_t flags;
     int8_t room;
-    int32_t lowerY; // libsm64: 32 bit
+    float lowerY;
-    int32_t upperY; // libsm64: 32 bit
+    float upperY;
-    int32_t vertex1[3]; // libsm64: 32 bit
+    float vertex1[3];
-    int32_t vertex2[3]; // libsm64: 32 bit
+    float vertex2[3];
-    int32_t vertex3[3]; // libsm64: 32 bit
+    float vertex3[3];
     struct {
         float x;
         float y;

src/load_surfaces.c

@@ -93,17 +93,17 @@ static void engine_surface_from_lib_surface( struct SM64SurfaceCollisionData *su
 {
     int16_t type = libSurf->type;
     int16_t force = libSurf->force;
-    s32 x1 = libSurf->vertices[0][0];
+    f32 x1 = libSurf->vertices[0][0];
-    s32 y1 = libSurf->vertices[0][1];
+    f32 y1 = libSurf->vertices[0][1];
-    s32 z1 = libSurf->vertices[0][2];
+    f32 z1 = libSurf->vertices[0][2];
-    s32 x2 = libSurf->vertices[1][0];
+    f32 x2 = libSurf->vertices[1][0];
-    s32 y2 = libSurf->vertices[1][1];
+    f32 y2 = libSurf->vertices[1][1];
-    s32 z2 = libSurf->vertices[1][2];
+    f32 z2 = libSurf->vertices[1][2];
-    s32 x3 = libSurf->vertices[2][0];
+    f32 x3 = libSurf->vertices[2][0];
-    s32 y3 = libSurf->vertices[2][1];
+    f32 y3 = libSurf->vertices[2][1];
-    s32 z3 = libSurf->vertices[2][2];
+    f32 z3 = libSurf->vertices[2][2];
 
-    s32 maxY, minY;
+    f32 maxY, minY;
     f32 nx, ny, nz;
     f32 mag;
 
@@ -158,9 +158,9 @@ static void engine_surface_from_lib_surface( struct SM64SurfaceCollisionData *su
 
     if (mag < 0.0001) {
         DEBUG_PRINT("ERROR: normal magnitude is very close to zero:");
-        DEBUG_PRINT("v1 %i %i %i", x1, y1, z1 );
+        DEBUG_PRINT("v1 %f %f %f", x1, y1, z1 );
-        DEBUG_PRINT("v2 %i %i %i", x2, y2, z2 );
+        DEBUG_PRINT("v2 %f %f %f", x2, y2, z2 );
-        DEBUG_PRINT("v3 %i %i %i", x3, y3, z3 );
+        DEBUG_PRINT("v3 %f %f %f", x3, y3, z3 );
         surface->isValid = 0;
         return;
     }

test/main.cpp

@@ -56,6 +56,17 @@ float lerp(float a, float b, float amount)
     return a + (b - a) * amount;
 }
 
+static void DebugPrint(const char *message)
+{
+    if (message == nullptr)
+    {
+        return;
+    }
+
+    printf("[SM64] %s\n", message);
+    fflush(stdout);
+}
+
 int main( void )
 {
     size_t romSize;
@@ -73,9 +84,13 @@ int main( void )
     sm64_global_terminate();
     sm64_global_init( rom, texture );
     sm64_audio_init(rom);
+
+    // sm64_register_debug_print_function(DebugPrint);
+
     sm64_static_surfaces_load( surfaces, surfaces_count );
     int32_t marioId = sm64_mario_create( 0, 1000, 0 );
 
+    printf("MarioID: %i\n", marioId);
     free( rom );
 
     RenderState renderState;
@@ -94,7 +109,7 @@ int main( void )
     renderer = &gl20_renderer;
 #endif
 
-    context_init( "libsm64", 800, 600, major, minor );
+    context_init( "libsm64", 1280, 720, major, minor );
     renderer->init( &renderState, texture );
 
     struct SM64MarioInputs marioInputs;