Improved the makefile considerably

28 files changed, 44 insertions, 26 deletions

diff --git a/.gitignore b/.gitignore
index 4cff8d6..4eae390 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 *~
 *.o
 .vscode
-.cache
\ No newline at end of file
+.cache
+themes/dist
\ No newline at end of file
diff --git a/themes/Makefile b/themes/Makefile
index 8bdc04e..bfe42a3 100644
--- a/themes/Makefile
+++ b/themes/Makefile
@@ -1,17 +1,44 @@
-CXX = emcc
-EXE = dist/output.js
-SRCS = $(wildcard *.cpp)
-OBJS = $(patsubst %.cpp,%.o,$(SRCS))
+TARGET_EXEC ?= output.js
+
+BUILD_DIR ?= ./dist
+SRC_DIRS ?= ./src
+
+CC   := emcc
+CXX	 := emcc
+SRCS := $(shell find $(SRC_DIRS) -name *.cpp -or -name *.c -or -name *.s)
+OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
+DEPS := $(OBJS:.o=.d)
+
+INC_DIRS := $(shell find $(SRC_DIRS) -type d)
+INC_FLAGS := $(addprefix -I,$(INC_DIRS))
 LDFLAGS = -s ALLOW_MEMORY_GROWTH=1 -s USE_WEBGL2=1 -s FULL_ES3=1 -s WASM=1 -s NO_EXIT_RUNTIME=1 -s FETCH
 
-all: build $(EXE)
+CPPFLAGS ?= $(INC_FLAGS) -MMD -MP
+
+$(BUILD_DIR)/$(TARGET_EXEC): $(OBJS)
+	$(CC) $(OBJS) -o $@ $(LDFLAGS)
+
+# assembly
+$(BUILD_DIR)/%.s.o: %.s
+	$(MKDIR_P) $(dir $@)
+	$(AS) $(ASFLAGS) -c $< -o $@
 
-$(EXE): $(OBJS)
-	echo $(OBJS)
-	$(CXX) -o $(EXE) $(OBJS) $(LDFLAGS)
+# c source
+$(BUILD_DIR)/%.c.o: %.c
+	$(MKDIR_P) $(dir $@)
+	$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
 
-build:
-	@mkdir -p dist
+# c++ source
+$(BUILD_DIR)/%.cpp.o: %.cpp
+	$(MKDIR_P) $(dir $@)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
+
+
+.PHONY: clean
 
 clean:
-	rm -rf dist && rm *.o
\ No newline at end of file
+	$(RM) -r $(BUILD_DIR)
+
+-include $(DEPS)
+
+MKDIR_P ?= mkdir -p
diff --git a/themes/dist/output.wasm b/themes/dist/output.wasm
index 33cd231..02f03e6 100755
--- a/themes/dist/output.wasm
+++ b/themes/dist/output.wasm
diff --git a/themes/LeafParticleRender.cpp b/themes/src/LeafParticleRender.cpp
index 0c6fbca..0c6fbca 100644
--- a/themes/LeafParticleRender.cpp
+++ b/themes/src/LeafParticleRender.cpp
diff --git a/themes/LeafParticleRender.h b/themes/src/LeafParticleRender.h
index 713d9f6..713d9f6 100644
--- a/themes/LeafParticleRender.h
+++ b/themes/src/LeafParticleRender.h
diff --git a/themes/Logger.cpp b/themes/src/Logger.cpp
index 1068d88..1068d88 100644
--- a/themes/Logger.cpp
+++ b/themes/src/Logger.cpp
diff --git a/themes/Logger.h b/themes/src/Logger.h
index 7596b6f..7596b6f 100644
--- a/themes/Logger.h
+++ b/themes/src/Logger.h
diff --git a/themes/MainLoop.cpp b/themes/src/MainLoop.cpp
index 09aa643..09aa643 100644
--- a/themes/MainLoop.cpp
+++ b/themes/src/MainLoop.cpp
diff --git a/themes/MainLoop.h b/themes/src/MainLoop.h
index 2573bb8..2573bb8 100644
--- a/themes/MainLoop.h
+++ b/themes/src/MainLoop.h
diff --git a/themes/Renderer2d.cpp b/themes/src/Renderer2d.cpp
index c303e83..c303e83 100644
--- a/themes/Renderer2d.cpp
+++ b/themes/src/Renderer2d.cpp
diff --git a/themes/Renderer2d.h b/themes/src/Renderer2d.h
index 909f088..909f088 100644
--- a/themes/Renderer2d.h
+++ b/themes/src/Renderer2d.h
diff --git a/themes/Renderer3d.cpp b/themes/src/Renderer3d.cpp
index 5f9ce88..5f9ce88 100644
--- a/themes/Renderer3d.cpp
+++ b/themes/src/Renderer3d.cpp
diff --git a/themes/Renderer3d.h b/themes/src/Renderer3d.h
index 7e89c93..7e89c93 100644
--- a/themes/Renderer3d.h
+++ b/themes/src/Renderer3d.h
diff --git a/themes/Shader.cpp b/themes/src/Shader.cpp
index 5f2b00e..5f2b00e 100644
--- a/themes/Shader.cpp
+++ b/themes/src/Shader.cpp
diff --git a/themes/Shader.h b/themes/src/Shader.h
index bc81764..bc81764 100644
--- a/themes/Shader.h
+++ b/themes/src/Shader.h
diff --git a/themes/Snowflake.cpp b/themes/src/Snowflake.cpp
index 1cb056a..7cab8b3 100644
--- a/themes/Snowflake.cpp
+++ b/themes/src/Snowflake.cpp
@@ -38,14 +38,13 @@ inline void initFlake(SnowflakeParticleRenderer* renderer, SnowflakeUpdateData*
 	generateSnowflakeShape(&renderer->vertices, randomIntBetween(4, 16), randomFloatBetween(8.f, 16.f), randomFloatBetween(2.f, 6.f));
 	ud->numVertices = renderer->vertices.numElements - ud->vtxIdx;
 	ud->velocity = Vector2(randomFloatBetween(-10, 10), randomFloatBetween(-100, -85));
-	ud->position = Vector2(randomFloatBetween(0, renderer->xMax), randomFloatBetween(renderer->yMax, renderer->yMax + 256));
+	ud->position = Vector2(randomFloatBetween(0, renderer->xMax), randomFloatBetween(renderer->yMax, -renderer->yMax));
 }
 
 void SnowflakeParticleRenderer::load(SnowflakeLoadParameters params, Renderer2d* renderer) {
-	spawnIntervalSeconds = params.spawnIntervalSeconds;
-	numSnowflakes = params.maxSnowflakes;
+	numSnowflakes = params.numSnowflakes;
 
-	updateData = new SnowflakeUpdateData[params.maxSnowflakes];
+	updateData = new SnowflakeUpdateData[params.numSnowflakes];
 
 	xMax = static_cast<f32>(renderer->context->width);
     yMax = static_cast<f32>(renderer->context->height);
@@ -101,11 +100,6 @@ inline void updateFlake(SnowflakeParticleRenderer* renderer, SnowflakeUpdateData
 }
 
 void SnowflakeParticleRenderer::update(f32 dtSeconds) {
-	timeUntilNextSpawnSeconds -= dtSeconds;
-	if (timeUntilNextSpawnSeconds < 0) {
-		timeUntilNextSpawnSeconds = spawnIntervalSeconds;
-	}
-
 	bool addWind = false;
 	timeUntilNextWindSeconds -= dtSeconds;
 	if (timeUntilNextWindSeconds < 0) {
diff --git a/themes/Snowflake.h b/themes/src/Snowflake.h
index 5ad2670..c6323d6 100644
--- a/themes/Snowflake.h
+++ b/themes/src/Snowflake.h
@@ -6,13 +6,12 @@ struct Renderer2d;
 struct Vertex2D;
 
 struct SnowflakeLoadParameters {
-	i32 maxSnowflakes = 1000;
+	i32 numSnowflakes = 1000;
 	f32 rateOfSnowfall = 0.1f;
     Vector2 flakeV0 = { 0, 1 };
 	f32 flakeSize = 5.f;
 	f32 flakeSizeDeviation = 1.f;
 	Vector4 snowColor = { 0.8, 0.8, 0.8, 1.0 };
-	f32 spawnIntervalSeconds = 0.3;
 	f32 windIntervalSeconds = 1.5;
 };
 
@@ -30,12 +29,10 @@ struct SnowflakeUpdateData {
 struct SnowflakeParticleRenderer {
 	f32 xMax = 0;
 	f32 yMax = 0;
-	f32 spawnIntervalSeconds = 0.3;
 	f32 windIntervalSeconds = 1.5;
 	i32 numSnowflakes = 0;
     Vector2 windSpeed;
 	SnowflakeUpdateData* updateData;
-	f32 timeUntilNextSpawnSeconds = 0;
 	f32 timeUntilNextWindSeconds = 0;
 
 	u32 vao;
diff --git a/themes/SummerTheme.cpp b/themes/src/SummerTheme.cpp
index 20bb310..20bb310 100644
--- a/themes/SummerTheme.cpp
+++ b/themes/src/SummerTheme.cpp
diff --git a/themes/SummerTheme.h b/themes/src/SummerTheme.h
index 1d9093a..1d9093a 100644
--- a/themes/SummerTheme.h
+++ b/themes/src/SummerTheme.h
diff --git a/themes/TreeShape.cpp b/themes/src/TreeShape.cpp
index a3ae8f7..a3ae8f7 100644
--- a/themes/TreeShape.cpp
+++ b/themes/src/TreeShape.cpp
diff --git a/themes/TreeShape.h b/themes/src/TreeShape.h
index 32b00d3..32b00d3 100644
--- a/themes/TreeShape.h
+++ b/themes/src/TreeShape.h
diff --git a/themes/WebglContext.cpp b/themes/src/WebglContext.cpp
index df49c2d..df49c2d 100644
--- a/themes/WebglContext.cpp
+++ b/themes/src/WebglContext.cpp
diff --git a/themes/WebglContext.h b/themes/src/WebglContext.h
index 1956092..1956092 100644
--- a/themes/WebglContext.h
+++ b/themes/src/WebglContext.h
diff --git a/themes/list.h b/themes/src/list.h
index 25b236a..25b236a 100644
--- a/themes/list.h
+++ b/themes/src/list.h
diff --git a/themes/main.cpp b/themes/src/main.cpp
index 4e82ca0..f8771d4 100644
--- a/themes/main.cpp
+++ b/themes/src/main.cpp
@@ -258,7 +258,6 @@ void AutumnTheme::unload()  {
 void WinterTheme::load(Renderer2d* renderer) {
     renderer->clearColor = Vector4(200, 229, 239, 255).toNormalizedColor();
 	SnowflakeLoadParameters lp;
-	lp.spawnIntervalSeconds = 0.05;
 	spr.load(lp, renderer);
 }
 
diff --git a/themes/mathlib.cpp b/themes/src/mathlib.cpp
index 9e86833..9e86833 100644
--- a/themes/mathlib.cpp
+++ b/themes/src/mathlib.cpp
diff --git a/themes/mathlib.h b/themes/src/mathlib.h
index bb62f39..bb62f39 100644
--- a/themes/mathlib.h
+++ b/themes/src/mathlib.h
diff --git a/themes/types.h b/themes/src/types.h
index ae8aa4e..ae8aa4e 100644
--- a/themes/types.h
+++ b/themes/src/types.h