# pikul_two

PROJ=pikul_two

include config.mk

#echo $@ : $(@F) : $< : $^
define cc-bin-command
	$(CC) -std=c2x -c -o $@ -DNDEBUG -O0 $(CFLAGS) $(INCS) $<
endef
define cc-dbg-command
	$(CC) -std=c2x -c -o $@ -DDEBUG -g -O0 $(CFLAGS) $(INCS) $<
endef
define cxx-bin-command
	$(CXX) -std=c++23 -c -o $@ -DNDEBUG -O0 $(CXXFLAGS) $(INCS) $< 
endef
define cxx-dbg-command
	$(CXX) -std=c++23 -c -o $@ -DDEBUG -g -O0 $(CXXFLAGS) $(INCS) $<
endef

FLG_PKE = -Isub/imgui -Isub/stb -Isub/cgltf -Isub/bullet3/src
FLG_EDT = $(FLG_PKE) -Isrc

DIR_OBJ=obj
DIR_BIN=bin
DIR_DBG=dbg
DIR_SCR=scratch

SRC = \
	src/vendor/pkh_include.cpp \
	src/arg-handler.cpp \
	src/camera.cpp \
	src/ecs.cpp \
	src/entities.cpp \
	src/event.cpp \
	src/game.cpp \
	src/game-settings.cpp \
	src/helpers.cpp \
	src/level-types.cpp \
	src/level.cpp \
	src/math-helpers.cpp \
	src/dynamic-array.cpp \
	src/asset-manager.cpp \
	src/physics.cpp \
	src/player-input.cpp \
	src/plugins.cpp \
	src/project.cpp \
	src/project-settings.cpp \
	src/static/cube.cpp \
	src/thread_pool.cpp \
  src/vendor/cgltf-include.cpp \
  src/vendor/stb_image_include.cpp \
	src/vendor/tinyfiledialogs/tinyfiledialogs.c \
	src/window.cpp \

DST_SHADERS = \
	$(DIR_OBJ)/vertex.vert.spv \
	$(DIR_OBJ)/present.vert.spv \
	$(DIR_OBJ)/texture.frag.spv \
	$(DIR_OBJ)/present.frag.spv \

# Bullet3Collision/libBullet3Collision.a \
	Bullet3Dynamics/libBullet3Dynamics.a \
	Bullet3Geometry/libBullet3Geometry.a \
	Bullet3OpenCL/libBullet3OpenCL_clew.a \
	Bullet3Serialize/Bullet2FileLoader/libBullet2FileLoader.a \
	BulletInverseDynamics/libBulletInverseDynamics.a \
	BulletSoftBody/libBulletSoftBody.a \

# DST_BULLET = \
 BulletDynamics/libBulletDynamics.so.3.25 \
 BulletCollision/libBulletCollision.so.3.25 \
 LinearMath/libLinearMath.so.3.25 \
 Bullet3Common/libBullet3Common.so.3.25 \

# TMP_BULLET = $(notdir $(DST_BULLET))
# DST_BULLET_BIN = $(TMP_BULLET:%.so.3.25=$(DIR_BIN)/%.so.3.25)
# DST_BULLET_DBG = $(TMP_BULLET:%.so.3.25=$(DIR_DBG)/%.so.3.25)

DST_BULLET = \
 BulletDynamics/libBulletDynamics.a \
 BulletCollision/libBulletCollision.a \
 LinearMath/libLinearMath.a \
 Bullet3Common/libBullet3Common.a \

DST_BULLET_BIN = $(TMP_BULLET:%.a=$(DIR_BIN)/src/bullet3/%.a)
DST_BULLET_DBG = $(TMP_BULLET:%.a=$(DIR_DBG)/src/bullet3/%.a)

SRC_C           = $(filter %.c,$(SRC))
SRC_CXX         = $(filter %.cpp,$(SRC))
OBJ             = $(SRC_C:%.c=%.o)
SOBJ            = $(SRC_C:%.c=%.so)
CXXOBJ          = $(SRC_CXX:%.cpp=%.o)
CXXSOBJ         = $(SRC_CXX:%.cpp=%.so)
TMP_OUT_OBJ     = $(notdir $(OBJ))
TMP_OUT_SOBJ    = $(notdir $(SOBJ))
TMP_OUT_CXXOBJ  = $(notdir $(CXXOBJ))
TMP_OUT_CXXSOBJ = $(notdir $(CXXSOBJ))
OUT_OBJ         = $(TMP_OUT_OBJ:%.o=$(DIR_OBJ)/%.o)
OUT_SOBJ        = $(TMP_OUT_SOBJ:%.so=$(DIR_OBJ)/%.so)
OUT_CXXOBJ      = $(TMP_OUT_CXXOBJ:%.o=$(DIR_OBJ)/%.o)
OUT_CXXSOBJ     = $(TMP_OUT_CXXSOBJ:%.so=$(DIR_OBJ)/%.so)

.PHONY: prepare
prepare:
	mkdir -p $(DIR_BIN) $(DIR_DBG) $(DIR_OBJ) $(DIR_DBG)/bullet3 $(DIR_BIN)/bullet3
	mkdir -p $(DIR_BIN)/bullet3 $(DIR_BIN)/assets/shaders
	mkdir -p $(DIR_DBG)/bullet3 $(DIR_DBG)/assets/shaders

.PHONY: options
options: prepare .WAIT
	@echo "$(PROJ)" build options:
	@echo "CFLAGS   = $(CFLAGS)"
	@echo "CXXFLAGS = $(CXXFLAGS)"
	@echo "LDFLAGS  = $(LDFLAGS)"
	@echo "CC       = $(CC)"
	@echo "CXX      = $(CXX)"

config.h:
	cp config.def.h $@

%.h: ;

$(SRC_C): config.h config.mk
$(SRC_CXX): config.h config.mk

$(DIR_OBJ)/%.o: sub/imgui/%.cpp
	$(cxx-bin-command) -Isub/imgui
$(DIR_OBJ)/%.so: sub/imgui/%.cpp
	$(cxx-dbg-command) -Isub/imgui
$(DIR_OBJ)/%.o: sub/imgui/backends/%.cpp
	$(cxx-bin-command) -Isub/imgui
$(DIR_OBJ)/%.so: sub/imgui/backends/%.cpp
	$(cxx-dbg-command) -Isub/imgui
$(DIR_OBJ)/%.o: sub/imgui/misc/cpp/%.cpp
	$(cxx-bin-command) -Isub/imgui
$(DIR_OBJ)/%.so: sub/imgui/misc/cpp/%.cpp
	$(cxx-dbg-command) -Isub/imgui

$(DIR_OBJ)/%.vert.spv: assets/shaders/%.vert
	$(GLSLC) $^ -o $@
	cp $@ $(DIR_BIN)/assets/shaders
	cp $@ $(DIR_DBG)/assets/shaders
$(DIR_OBJ)/%.frag.spv: assets/shaders/%.frag
	$(GLSLC) $^ -o $@
	cp $@ $(DIR_BIN)/assets/shaders
	cp $@ $(DIR_DBG)/assets/shaders

$(DIR_OBJ)/%.o : src/%.c
	$(cc-bin-command) $(FLG_PKE)
$(DIR_OBJ)/%.so : src/%.c
	$(cc-dbg-command) $(FLG_PKE)
$(DIR_OBJ)/%.o : src/vendor/tinyfiledialogs/%.c
	$(cc-bin-command) $(FLG_PKE)
$(DIR_OBJ)/%.so : src/vendor/tinyfiledialogs/%.c
	$(cc-dbg-command) $(FLG_PKE)

$(DIR_OBJ)/%.o : src/%.cpp
	$(cxx-bin-command) $(FLG_PKE)
$(DIR_OBJ)/%.so : src/%.cpp
	$(cxx-dbg-command) $(FLG_PKE)
$(DIR_OBJ)/%.o : src/static/%.cpp
	$(cxx-bin-command) $(FLG_PKE)
$(DIR_OBJ)/%.so : src/static/%.cpp
	$(cxx-dbg-command) $(FLG_PKE)
$(DIR_OBJ)/%.o : src/vendor/%.cpp
	$(cxx-bin-command) $(FLG_PKE)
$(DIR_OBJ)/%.so : src/vendor/%.cpp
	$(cxx-dbg-command) $(FLG_PKE)
$(DIR_OBJ)/%.o : editor/%.cpp
	$(cxx-bin-command) $(FLG_EDT)
$(DIR_OBJ)/%.so : editor/%.cpp
	$(cxx-dbg-command) $(FLG_EDT)

$(DIR_BIN)/libImgui.a: $(DIR_OBJ)/imgui.o
$(DIR_BIN)/libImgui.a: $(DIR_OBJ)/imgui_demo.o
$(DIR_BIN)/libImgui.a: $(DIR_OBJ)/imgui_draw.o
$(DIR_BIN)/libImgui.a: $(DIR_OBJ)/imgui_tables.o
$(DIR_BIN)/libImgui.a: $(DIR_OBJ)/imgui_widgets.o
$(DIR_BIN)/libImgui.a: $(DIR_OBJ)/imgui_impl_glfw.o
$(DIR_BIN)/libImgui.a: $(DIR_OBJ)/imgui_impl_vulkan.o
$(DIR_BIN)/libImgui.a: $(DIR_OBJ)/imgui_stdlib.o
	ar rc $@ $^
	ranlib $@

$(DIR_DBG)/libImgui.a: $(DIR_OBJ)/imgui.so
$(DIR_DBG)/libImgui.a: $(DIR_OBJ)/imgui_demo.so
$(DIR_DBG)/libImgui.a: $(DIR_OBJ)/imgui_draw.so
$(DIR_DBG)/libImgui.a: $(DIR_OBJ)/imgui_tables.so
$(DIR_DBG)/libImgui.a: $(DIR_OBJ)/imgui_widgets.so
$(DIR_DBG)/libImgui.a: $(DIR_OBJ)/imgui_impl_glfw.so
$(DIR_DBG)/libImgui.a: $(DIR_OBJ)/imgui_impl_vulkan.so
$(DIR_DBG)/libImgui.a: $(DIR_OBJ)/imgui_stdlib.so
	ar rc $@ $^
	ranlib $@

$(DIR_BIN)/libBullet3.a:
	$(CMAKE) \
	-DCMAKE_C_FLAGS:STRING="" \
	-DCMAKE_CXX_FLAGS:STRING="" \
	-DCMAKE_BUILD_TYPE:STRING=Release \
	-DBUILD_BULLET2_DEMOS:BOOL=0 \
	-DBUILD_CPU_DEMOS:BOOL=0 \
	-DBUILD_UNIT_TESTS:BOOL=0 \
	-DBUILD_OPENGL3_DEMOS:BOOL=0 \
	-DBUILD_EXTRAS:BOOL=0 \
	-DINSTALL_EXTRA_LIBS:BOOL=0 \
	-DINSTALL_LIBS:BOOL=1 \
	-DINSTALL_CMAKE_FILES:BOOL=0 \
	-DPOSITION_INDEPENDENT_CODE:BOOL=0 \
	-Hsub/bullet3 -B$(DIR_BIN)/bullet3 -G "Unix Makefiles"
	$(CMAKE) --build $(DIR_BIN)/bullet3 --target BulletDynamics BulletCollision LinearMath Bullet3Common
	ar rc $@ $(DST_BULLET_BIN)
	# touch $@


# -LAH to show all cmake variables

#
#	ar rc $@ sub/bullet3/build3/gmake/obj/x64/Debug/Bullet3Collision/*.o
#	ar r $@ sub/bullet3/build3/gmake/obj/x64/Debug/Bullet3Common/*.o
#	ar r $@ sub/bullet3/build3/gmake/obj/x64/Debug/BulletCollision/*.o
#	ar r $@ sub/bullet3/build3/gmake/obj/x64/Debug/BulletDynamics/*.o
#	ar r $@ sub/bullet3/build3/gmake/obj/x64/Debug/LinearMath/*.o
$(DIR_DBG)/libBullet3.a:
	(cd sub/bullet3/build3 && ./premake4_linux64 gmake)
	${MAKE} no-demos=1 no-extras=1 no-test=1 config=debug64 -j$$((`nproc`-1)) -C sub/bullet3/build3/gmake \
	BulletCollision Bullet3Collision BulletDynamics LinearMath Bullet3Common
	ar r $@ sub/bullet3/build3/gmake/obj/x64/Debug/*/*.o
	ranlib $@

$(DIR_BIN)/libpke.a: $(DST_SHADERS)
$(DIR_BIN)/libpke.a: $(OUT_OBJ) $(OUT_CXXOBJ)
$(DIR_BIN)/libpke.a:
	ar rc $@ $(filter %.o,$^)
	ranlib $@

$(DIR_DBG)/libpke.a: $(DST_SHADERS)
$(DIR_DBG)/libpke.a: $(OUT_SOBJ) $(OUT_CXXSOBJ)
$(DIR_DBG)/libpke.a:
	ar rc $@ $(filter %.so,$^)
	ranlib $@

# $(DST_BULLET_BIN) -L$(PWD)/bin -L$(PWD)/obj 
# $(DIR_BIN)/pke-editor: $(DIR_OBJ)/main.o $(DIR_OBJ)/editor.o
$(DIR_BIN)/pke-editor: $(DIR_OBJ)/main.o $(DIR_OBJ)/editor.o
$(DIR_BIN)/pke-editor: $(DIR_BIN)/libpke.a
	$(CXX) -v -o $@ -O3 $(CXXFLAGS) $(LDFLAGS) $(FLG_EDT) $^ -Wl,-v

$(DIR_DBG)/pke-editor: $(DIR_DBG)/libpke.a $(DIR_DBG)/libImgui.a $(DIR_DBG)/libBullet3.a
$(DIR_DBG)/pke-editor: $(DIR_OBJ)/main.so $(DIR_OBJ)/editor.so
	@echo $^
	$(CXX) -v -std=c++23 $(INCS) $^ $(LDFLAGS) $(CXXFLAGS) -g -Os $(FLG_EDT) -o $@ 

# pke-dbg:

.PHONY: print
print:
	@echo $(DST_SHADERS)

.PHONY: clean
clean:
	rm -rf .cache
	rm -f *.o *.so *.plist config.h
	rm -rf $(DIR_BIN) $(DIR_OBJ) $(DIR_DBG)

.PHONY: dist install uninstall