#PREFIX = x86_64-w64-mingw32-
CC=$(PREFIX)gcc
CXX=$(PREFIX)g++
OBJCOPY=$(PREFIX)objcopy

OBJARCH = elf64-x86-64

OPT = -O0 -march=x86-64-v3

CSTD = -std=gnu23
CXXSTD = -std=gnu++23
CFLAGS += -g
CFLAGS += -fpic
CFLAGS += -I./include
CFLAGS += -Wall -Werror -Wfatal-errors -Wno-error=unused-variable -Wno-error=unused-but-set-variable
CFLAGS += -Wno-error=unknown-pragmas -Wno-unknown-pragmas
CFLAGS += -fno-strict-aliasing
ifdef READ_PACK_FILE
CFLAGS += -DREAD_PACK_FILE
endif

LDFLAGS += -lm

MINECRAFT_OBJS = \
	minecraft/love2dworld/inthash.o \
	minecraft/grandlecturn/inthash.o \
	minecraft/midnightmeadow/inthash.o \
	src/minecraft.o \
	src/world/world.o \
	src/world/entry_table.o

OBJS = \
	src/gl.o \
	src/opengl.o \
	src/test.o \
	src/font/bitmap.o \
	src/font/outline.o \
	src/window.o \
	src/bresenham.o \
	src/file.o \
	src/non_block.o \
	src/view.o \
	src/hud.o \
	src/lighting.o \
	src/collision_scene.o \
	src/line_art.o \
	src/boids.o \
	src/boids_scene.o \
	src/dds_validate.o \
	src/collada/scene.o \
	src/collada/effect.o \
	src/collada/node_state.o \
	src/collada/animate.o \
	src/lua_api.o \
	src/pixel_line_art.o \
	src/flame.o \
	data/scenes/ship20/ship20.o \
	data/scenes/noodle/noodle.o \
	data/scenes/shadow_test/shadow_test.o \
	data/scenes/book/book.o \
	$(MINECRAFT_OBJS)

ifdef READ_PACK_FILE
OBJS += test.pack.o
endif

all: test.so

%.o: %.c
	$(CC) $(ARCH) $(CSTD) $(CFLAGS) $(OPT) -c $< -o $@

%.o: %.cpp
	$(CXX) $(ARCH) $(CXXSTD) $(CFLAGS) $(OPT) -c $< -o $@

test.pack: pack_main
	./pack_main $@ $(shell cat filenames.txt)

test.pack.o: test.pack
	$(OBJCOPY) -I binary -O $(OBJARCH) $< $@

test.so: $(OBJS)
	$(CC) $(ARCH) $(OPT) -Wl,-z noexecstack -shared -g $^ -o $@ -lSDL3

test.dll: $(OBJS)
	$(CXX) $(ARCH) $(OPT) -mthreads -static -mdll -static-libstdc++ -static-libgcc -g $^ -o $@ -L. -lSDL3 $(WINDOWS)

main: $(OBJS) src/main.o
	$(CC) $(ARCH) $(LDFLAGS) $(OPT) -g $^ -o $@

clean:
	find . -type f ! -name "*.*" -delete

pack_main: src/pack_main.o
	$(CC) $(ARCH) $(OPT) -g $^ -o $@

.SUFFIXES:
.INTERMEDIATE:
.SECONDARY:
.PHONY: all clean phony

%: RCS/%,v
%: RCS/%
%: %,v
%: s.%
%: SCCS/s.%