########################################################################
#
# Quake general stuff
#

PROJECT_DIR	= @top_srcdir@
PROJECT_ODIR	= ..
SRC_DIR		= @srcdir@
COMMON_DIR	= $(PROJECT_DIR)/common
COMMON_ODIR	= $(PROJECT_ODIR)/common
BIN_PREFIX	= quake

DESTDIR		=

prefix		= @prefix@
bindir		= @bindir@
mandir		= @mandir@

BUILD_DIR	= $(PROJECT_ODIR)/targets/uquake

LDFLAGS = @LDFLAGS@ @SND_LIBS@ @NET_LIBS@ -lm
LIBS = @LIBS@
CC = @CC@
INTEL_ARCH = @INTEL_ARCH@

ifneq ($(SRC_DIR),.)
SRC_DIR_INC = -I$(SRC_DIR)
endif

HAS_MGL    = @HAS_MGL@
HAS_GGI    = @HAS_GGI@
HAS_SVGA   = @HAS_SVGA@
HAS_GLIDE  = @HAS_GLIDE@
HAS_TDFXGL = @HAS_TDFXGL@
HAS_OGL    = @HAS_OGL@
HAS_XIL    = @HAS_XIL@
HAS_X11    = @HAS_X11@
HAS_SDL    = @HAS_SDL@

MAKE_SURE_DIR = if test -d "$(BUILD_DIR)/$$DIR"; \
                then \
                   true; \
                else \
		   echo "Creating directory $(BUILD_DIR)/$$DIR"; \
		   mkdir -p $(BUILD_DIR)/$$DIR; \
                fi


########################################################################
#
# Client targets
#

ifeq ($(HAS_OGL),yes)
GLQUAKE   =$(BIN_PREFIX)-gl
endif

ifeq ($(HAS_TDFXGL),yes)
TDFXQUAKE= $(BIN_PREFIX)-3dfx
endif

ifeq ($(HAS_X11),yes)
X11QUAKE  = $(BIN_PREFIX)-x11
endif

ifeq ($(HAS_SVGA),yes)
SVGAQUAKE = $(BIN_PREFIX)-svga
endif

ifeq ($(HAS_MGL),yes)
MGLQUAKE = $(BIN_PREFIX)-mgl
endif

ifeq ($(HAS_GGI),yes)
GGIQUAKE = $(BIN_PREFIX)-ggi
endif

ifeq ($(HAS_SDL),yes)
SDLQUAKE = $(BIN_PREFIX)-sdl
endif

RELEASE = @RELEASE@
ifeq ($(RELEASE),yes)
OPTFLAGS = @RELEASE_CFLAGS@
else
OPTFLAGS = -g
endif

targets       = $(MGLQUAKE) $(GGIQUAKE) $(SVGAQUAKE) $(GLQUAKE) $(TDFXQUAKE) $(X11QUAKE) $(SDLQUAKE)
CLEAN_TARGETS = $(patsubst %,clean-%, $(targets))
.PHONY: $(targets) ($CLEAN_TARGETS)

all: $(targets)

########################################################################
#
# Source files
#

ifeq ($(INTEL_ARCH),yes)
# Source file the Intel archictecture only
UQ_GENERAL_SRC         = worlda.s
UQ_SWREND_SRC_PLAT     = dosasm.s
CL_ADDITIONAL_GENERAL_SRC = sys_dosa.s math.s
SWREND_SRC_PLAT = d_draw.s d_draw16.s d_parta.s d_polysa.s d_scana.s \
	d_spr8.s d_varsa.s r_aclipa.s r_aliasa.s \
	r_drawa.s r_edgea.s r_varsa.s surf16.s surf8.s
else
# Source files for non-Intel platforms
SWREND_SRC_PLAT = nonintel.c
endif

#
# System specific source files
#

CD_AUDIO_SRC = cd_wrapper.c

# sound

SND_STYLE      = @SND_STYLE@
SND_SRC        = snd_null.c

ifeq ($(SND_STYLE),ALSA)
SND_SRC = snd_alsa.c alsa.c
endif
ifeq ($(SND_STYLE),OSS)
SND_SRC = snd_dma.c snd_oss.c
endif
ifeq ($(SND_STYLE),Solaris)
SND_SRC = snd_dma.c snd_sun.c
endif
ifeq ($(SND_STYLE),MME)
SND_SRC = snd_dma.c snd_mme.c
endif
ifeq ($(SND_STYLE),Windows)
SND_SRC = snd_dma.c snd_win.c
endif

SND_SRC        += snd_mem.c snd_mix.c snd_mixa.s

# x11 vid

X11_VID_SRC    = @X11_VID_SRC@

SYS_SRC        = @SYS_SRC@

#
# Networking source files
#
# XXX - Should not assume UNIX
NET_SRC        = net_bsd.c net_udp.c
UQ_NET_SRC = net_dgrm.c net_loop.c net_main.c net_vcr.c $(NET_SRC)

#
# Common source files
#
MISC_SRC       = common.c crc.c cvar.c cmd.c mathlib.c register_check.c wad.c zone.c

#
# Rendering source files
#

# OpenGL
GL_REND_SRC = gl_screen.c gl_model.c gl_draw.c gl_mesh.c gl_refrag.c \
              gl_rlight.c gl_rmain.c gl_rmisc.c gl_rsurf.c gl_test.c gl_warp.c

# Software source
SW_REND_SRC = screen.c $(SWREND_SRC_PLAT) draw.c \
	d_edge.c d_fill.c d_init.c d_modech.c d_part.c d_polyse.c d_scan.c \
	d_sky.c d_sprite.c d_surf.c d_vars.c d_zpoint.c r_aclip.c r_alias.c \
	r_bsp.c r_draw.c r_edge.c r_efrag.c r_light.c r_main.c r_misc.c \
	r_sky.c r_sprite.c r_surf.c r_vars.c

#
# Client source files
#
CL_SRC    = cl_demo.c cl_input.c cl_main.c cl_parse.c cl_tent.c 
CL_GUI_SRC= console.c sbar.c view.c keys.c menu.c

#
# Server source files
#
# Server-related source used by all
SRV_SRC     = sv_main.c sv_user.c sv_move.c sv_phys.c 
# Server-related source used just by UQ
UQ_SRV_SRC  = host.c host_cmd.c $(SRV_SRC)
SRV_PR_SRC  = pr_cmds.c pr_edict.c pr_exec.c


# Source common to both UQ and QW-client
CL_COMMON_SRC = $(MISC_SRC) $(CL_GUI_SRC) $(CL_SRC) \
	$(CL_ADDITIONAL_GENERAL_SRC) $(SND_SRC) $(CD_AUDIO_SRC) r_part.c


########################################################################
#
# Directory specific stuff
#
DEFS         = @DEFS@
CFLAGS       = @CFLAGS@ $(OPTFLAGS) $(DEFS) -I. $(SRC_DIR_INC) \
-I$(COMMON_ODIR) -I$(COMMON_DIR)
ALL_X11_SRC  = $(GENERAL_SRC) $(SW_REND_SRC) $(X11_VID_SRC) model.c
ALL_GL_SRC   = $(GENERAL_SRC) $(GL_REND_SRC) $(GL_VID_SRC)
ALL_TDFX_SRC = $(GENERAL_SRC) $(GL_REND_SRC) $(TDFX_VID_SRC)

GENERAL_SRC = $(CL_COMMON_SRC) \
	   $(SYS_SRC) chasecam.c world.c $(SRV_PR_SRC) \
	   $(UQ_NET_SRC) $(UQ_SRV_SRC) \
	   $(UQ_GENERAL_SRC) $(UQ_SWREND_SRC_PLAT)

# XXX - add dos/win specific source

###########################################################################
#
# Compilation rules
#

###########################################################################
#
# quake-x11
#
ifneq ($(X11QUAKE),)

# Map the list of source files into a list of object files
OBJSquake-x11 = $(patsubst %,$(BUILD_DIR)/x11/%,$(addsuffix .@OBJEXT@, $(basename $(ALL_X11_SRC) .c .s)))

X11_CFLAGS  = -DX11 @X_CFLAGS@
X11_LDFLAGS = @X_LIBS@ -lX11 @X11_SHM_LIB@ @X_EXTRA_LIBS@

# This can be thought of as a macro that makes sure that the x11
# sub-directory is created
x11_DIR:
	DIR=x11; $(MAKE_SURE_DIR)

$(BUILD_DIR)/x11/%.o: $(SRC_DIR)/%.c
	$(CC) $(CFLAGS) $(X11_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/x11/%.o: $(SRC_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(BUILD_DIR)/x11/%.o: $(COMMON_DIR)/%.c
	$(CC) $(CFLAGS) $(X11_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/x11/%.o: $(COMMON_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(X11QUAKE): x11_DIR $(BUILD_DIR)/../$(X11QUAKE)

$(BUILD_DIR)/../$(X11QUAKE): $(OBJSquake-x11)
	$(CC) $(CFLAGS) $(OBJSquake-x11) $(X11_LDFLAGS) $(LDFLAGS) -o $(BUILD_DIR)/../$(X11QUAKE)
# XXX - Can this be automated?
clean-$(X11QUAKE):
	rm -rf $(BUILD_DIR)/x11
endif


###########################################################################
#
# quake-svga
#
ifneq ($(SVGAQUAKE),)
ALL_SVGA_SRC = $(GENERAL_SRC) $(SW_REND_SRC) $(SVGA_VID_SRC) model.c
OBJSquake-svga= $(patsubst %,$(BUILD_DIR)/svga/%,$(addsuffix .@OBJEXT@, $(basename $(ALL_SVGA_SRC) .c .s)))

SVGA_CFLAGS  = @SVGA_CFLAGS@
SVGA_LDFLAGS = @SVGA_LIBS@
SVGA_VID_SRC = vid_svgalib.c d_copy.s

# This can be thought of as a macro that makes sure that the x11
# sub-directory is created
svga_DIR:
	DIR=svga; $(MAKE_SURE_DIR)

# Not sure why this -O is needed, but it is...
$(BUILD_DIR)/svga/vid_svgalib.o: $(COMMON_DIR)/vid_svgalib.c
	$(CC) -O $(CFLAGS) $(SVGA_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/svga/%.o: $(SRC_DIR)/%.c
	$(CC) $(CFLAGS) $(SVGA_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/svga/%.o: $(SRC_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(BUILD_DIR)/svga/%.o: $(COMMON_DIR)/%.c
	$(CC) $(CFLAGS) $(SVGA_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/svga/%.o: $(COMMON_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(SVGAQUAKE): svga_DIR $(BUILD_DIR)/../$(SVGAQUAKE)

$(BUILD_DIR)/../$(SVGAQUAKE): $(OBJSquake-svga)
	$(CC) $(CFLAGS) $(OBJSquake-svga) $(SVGA_LDFLAGS) $(LDFLAGS) -o $(BUILD_DIR)/../$(SVGAQUAKE)
# XXX - Can this be automated?
clean-$(SVGAQUAKE):
	rm -rf $(BUILD_DIR)/svga
endif


###########################################################################
#
# quake-ggi
#
ifneq ($(GGIQUAKE),)

# Map the list of source files into a list of object files
ALL_GGI_SRC = $(GENERAL_SRC) $(SW_REND_SRC) $(GGI_VID_SRC) model.c
OBJSquake-ggi = $(patsubst %,$(BUILD_DIR)/ggi/%,$(addsuffix .@OBJEXT@, $(basename $(ALL_GGI_SRC) .c .s)))

GGI_CFLAGS  = -DGGI @GGI_CFLAGS@
GGI_LDFLAGS = @GGI_LIBS@
GGI_VID_SRC = vid_ggi.c

# This can be thought of as a macro that makes sure that the ggi
# sub-directory is created
ggi_DIR:
	DIR=ggi; $(MAKE_SURE_DIR)

$(BUILD_DIR)/ggi/%.o: $(SRC_DIR)/%.c
	$(CC) $(CFLAGS) $(GGI_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/ggi/%.o: $(SRC_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(BUILD_DIR)/ggi/%.o: $(COMMON_DIR)/%.c
	$(CC) $(CFLAGS) $(GGI_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/ggi/%.o: $(COMMON_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(GGIQUAKE): ggi_DIR $(BUILD_DIR)/../$(GGIQUAKE)

$(BUILD_DIR)/../$(GGIQUAKE): $(OBJSquake-ggi)
	$(CC) $(CFLAGS) $(OBJSquake-ggi) $(GGI_LDFLAGS) $(LDFLAGS) -o $(BUILD_DIR)/../$(GGIQUAKE)
# XXX - Can this be automated?
clean-$(GGIQUAKE):
	rm -rf $(BUILD_DIR)/ggi
endif


###########################################################################
#
# quake-mgl
#
ifneq ($(MGLQUAKE),)

# Map the list of source files into a list of object files
ALL_MGL_SRC = $(GENERAL_SRC) $(SW_REND_SRC) $(MGL_VID_SRC) model.c
OBJSquake-mgl = $(patsubst %,$(BUILD_DIR)/mgl/%,$(addsuffix .@OBJEXT@, $(basename $(ALL_MGL_SRC) .c .s)))

MGL_CFLAGS  = -DMGL @MGL_CFLAGS@
MGL_LDFLAGS = @MGL_LIBS@ -lm
MGL_VID_SRC = vid_win.c in_win.c conproc.c

# This can be thought of as a macro that makes sure that the mgl
# sub-directory is created
# XXX - can we avoid doing every compile?
MAKE_SURE_mgl_DIR = @DIR=mgl; $(MAKE_SURE_DIR)

$(BUILD_DIR)/mgl/%.o: $(SRC_DIR)/%.c
	$(MAKE_SURE_mgl_DIR)
	$(CC) $(CFLAGS) $(MGL_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/mgl/%.o: $(SRC_DIR)/%.s
	$(MAKE_SURE_mgl_DIR)
	$(CC) $(CFLAGS) -x assembler-with-cpp -o $@ -c $<

$(BUILD_DIR)/mgl/%.o: $(COMMON_DIR)/%.c
	$(MAKE_SURE_mgl_DIR)
	$(CC) $(CFLAGS) $(MGL_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/mgl/%.o: $(COMMON_DIR)/%.s
	$(MAKE_SURE_mgl_DIR)
	$(CC) $(CFLAGS) -x assembler-with-cpp -o $@ -c $<

$(MGLQUAKE): $(BUILD_DIR)/../$(MGLQUAKE)

$(BUILD_DIR)/../$(MGLQUAKE): $(OBJSquake-mgl)
	$(CC) $(CFLAGS) $(OBJSquake-mgl) $(MGL_LDFLAGS) $(LDFLAGS) -o $(BUILD_DIR)/../$(MGLQUAKE)
# XXX - Can this be automated?
clean-$(MGLQUAKE):
	rm -rf $(BUILD_DIR)/mgl
endif


###########################################################################
#
# quake-gl
#
ifneq ($(GLQUAKE),)
OBJSquake-gl = $(patsubst %,$(BUILD_DIR)/gl/%,$(addsuffix .@OBJEXT@, $(basename $(ALL_GL_SRC) .c .s)))

GL_CFLAGS  = -DGLQUAKE @OGL_CFLAGS@
GL_LDFLAGS = $(X11_LDFLAGS) @OGL_LIBS@
# XXX - is this platform independent?
GL_VID_SRC = gl_vidlinuxglx.c

# This can be thought of as a macro that makes sure that the x11
# sub-directory is created
gl_DIR:
	DIR=gl; $(MAKE_SURE_DIR)

$(BUILD_DIR)/gl/%.o: $(SRC_DIR)/%.c
	$(CC) $(CFLAGS) $(GL_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/gl/%.o: $(SRC_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(BUILD_DIR)/gl/%.o: $(COMMON_DIR)/%.c
	$(CC) $(CFLAGS) $(GL_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/gl/%.o: $(COMMON_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(GLQUAKE): gl_DIR $(BUILD_DIR)/../$(GLQUAKE)

$(BUILD_DIR)/../$(GLQUAKE): $(OBJSquake-gl)
	$(CC) $(CFLAGS) $(OBJSquake-gl) $(GL_LDFLAGS) $(LDFLAGS) -o $(BUILD_DIR)/../$(GLQUAKE)

# XXX - Can this be automated?
clean-$(GLQUAKE):
	rm -rf $(BUILD_DIR)/gl
endif


###########################################################################
#
# quake-3dfx
#
ifneq ($(TDFXQUAKE),)
OBJSquake-3dfx = $(patsubst %,$(BUILD_DIR)/3dfx/%,$(addsuffix .@OBJEXT@, $(basename $(ALL_TDFX_SRC) .c .s)))

TDFX_CFLAGS  = -DGLQUAKE @OGL_CFLAGS@ @GLIDE_CFLAGS@
TDFX_LDFLAGS = @SVGA_LIBS@ @TDFXGL_LIBS@
TDFX_VID_SRC = gl_vidlinux_3dfx.c

# This can be thought of as a macro that makes sure that the x11
# sub-directory is created
3dfx_DIR:
	DIR=3dfx; $(MAKE_SURE_DIR)

$(BUILD_DIR)/3dfx/%.o: $(SRC_DIR)/%.c
	$(CC) $(CFLAGS) $(TDFX_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/3dfx/%.o: $(SRC_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(BUILD_DIR)/3dfx/%.o: $(COMMON_DIR)/%.c
	$(CC) $(CFLAGS) $(TDFX_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/3dfx/%.o: $(COMMON_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(TDFXQUAKE): 3dfx_DIR $(BUILD_DIR)/../$(TDFXQUAKE)

$(BUILD_DIR)/../$(TDFXQUAKE): $(OBJSquake-3dfx)
	$(CC) $(CFLAGS) $(OBJSquake-3dfx) $(TDFX_LDFLAGS) $(LDFLAGS) -o $(BUILD_DIR)/../$(TDFXQUAKE)

# XXX - Can this be automated?
clean-$(TDFXQUAKE):
	rm -rf $(BUILD_DIR)/3dfx
endif


###########################################################################
#
# quake-sdl
#
ifneq ($(SDLQUAKE),)
ALL_SDL_SRC = $(GENERAL_SRC) $(SW_REND_SRC) $(SDL_VID_SRC) model.c
OBJSquake-sdl= $(patsubst %,$(BUILD_DIR)/sdl/%,$(addsuffix .@OBJEXT@, $(basename $(ALL_SDL_SRC) .c .s)))

SDL_CFLAGS  = @SDL_CFLAGS@ -DSDL
SDL_LDFLAGS = @SDL_LIBS@
SDL_VID_SRC = vid_sdl.c

# This can be thought of as a macro that makes sure that the x11
# sub-directory is created
sdl_DIR:
	DIR=sdl; $(MAKE_SURE_DIR)

$(BUILD_DIR)/sdl/%.o: $(SRC_DIR)/%.c
	$(CC) $(CFLAGS) $(SDL_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/sdl/%.o: $(SRC_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(BUILD_DIR)/sdl/%.o: $(COMMON_DIR)/%.c
	$(CC) $(CFLAGS) $(SDL_CFLAGS) -o $@ -c $<

$(BUILD_DIR)/sdl/%.o: $(COMMON_DIR)/%.s
	$(CC) $(CFLAGS) -DELF -x assembler-with-cpp -o $@ -c $<

$(SDLQUAKE): sdl_DIR $(BUILD_DIR)/../$(SDLQUAKE)

$(BUILD_DIR)/../$(SDLQUAKE): $(OBJSquake-sdl)
	$(CC) $(CFLAGS) $(OBJSquake-sdl) $(SDL_LDFLAGS) $(LDFLAGS) -o $(BUILD_DIR)/../$(SDLQUAKE)
# XXX - Can this be automated?
clean-$(SDLQUAKE):
	rm -rf $(BUILD_DIR)/sdl
endif


###########################################################################
#
# cleaning (clean, distclean)
#
distclean: clean
	rm -f config.cache config.log config.status Makefile

clean: $(CLEAN_TARGETS)
	for i in $(targets); do \
	  rm -f $(BUILD_DIR)/../$$i; \
	done
	-rmdir $(BUILD_DIR)

install: $(targets)
	$(PROJECT_DIR)/mkinstalldirs $(DESTDIR)$(prefix)$(bindir)
	for i in $(targets); do \
	   $(PROJECT_DIR)/install-sh -m 755 $(BUILD_DIR)/../$$i \
	     $(DESTDIR)$(prefix)$(bindir)/$$i; \
	done

check:
	@echo check not implemented