Add LICENSE, add glad, add FastNoise, implement Window

Makefile

@@ -1,11 +1,11 @@
 CXX = g++
-CXXFLAGS = -g
+CXXFLAGS = -g -Isrc
 LD = ld
 
 LINKFLAGS = -lGL -lglfw
 
 CC = gcc
-CCFLAGS = -g
+CCFLAGS = -g -Isrc
 
 XNOECRAFT_CPP_SRCS = $(shell find src/ -name '*.cpp')
 XNOECRAFT_C_SRCS = $(shell find src/ -name '*.c')
@@ -13,6 +13,10 @@ XNOECRAFT_RES = $(shell find res/ -type f)
 
 XNOECRAFT_OBJS = $(patsubst src/%.cpp,build/%.o,$(XNOECRAFT_CPP_SRCS)) $(patsubst src/%.c,build/%.o,$(XNOECRAFT_C_SRCS)) $(patsubst res/%.dat,build/%.o,$(XNOECRAFT_RES))
 
+XNOECRAFT_SRC_DIRS = $(shell find src/* -type d)
+XNOECRAFT_RES_DIRS = $(shell find res/* -type d)
+XNOECRAFT_OBJ_DIRS = $(patsubst src/%,build/%,$(XNOECRAFT_SRC_DIRS)) $(patsubst res/%,build/%,$(XNOECRAFT_RES_DIRS))
+
 .PHONY = all cleanbuild clean prepare
 
 all: prepare build/xnoecraft
@@ -23,8 +27,7 @@ cleanbuild: clean prepare build/xnoecraft
 clean: 
 	rm -r build
 
-prepare:
-	mkdir -p build
+prepare: $(XNOECRAFT_OBJ_DIRS)
 
 build/xnoecraft: $(XNOECRAFT_OBJS)
 	$(CXX) $(LINKFLAGS) -o $@ $^
@@ -36,4 +39,7 @@ build/%.o: src/%.c
 	$(CC) $(CCFLAGS) -o $@ -c $<
 
 build/%.o: res/%.dat
-	$(LD) -r -b binary $< -o $@
+	$(LD) -r -b binary $< -o $@
+
+$(XNOECRAFT_OBJ_DIRS): 
+	mkdir -p $@