Bananymous
/
banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
banan-os/ports/doom/patches/0001-Add-support-for-banan-...

311 lines
7.6 KiB
Diff
Raw Blame History

From 70cb1210ba2f6e1d922922f66f32efcf7bec51e1 Mon Sep 17 00:00:00 2001
From: Bananymous <bananymousosq@gmail.com>
Date: Wed, 3 Apr 2024 17:57:11 +0300
Subject: [PATCH] Add support for banan-os
Add Makefile and implement required functions.
---
doomgeneric/Makefile.banan_os | 58 +++++++
doomgeneric/doomgeneric_banan_os.cpp | 224 +++++++++++++++++++++++++++
2 files changed, 282 insertions(+)
create mode 100644 doomgeneric/Makefile.banan_os
create mode 100644 doomgeneric/doomgeneric_banan_os.cpp
diff --git a/doomgeneric/Makefile.banan_os b/doomgeneric/Makefile.banan_os
new file mode 100644
index 0000000..453bed7
--- /dev/null
+++ b/doomgeneric/Makefile.banan_os
@@ -0,0 +1,58 @@
+################################################################
+#
+# $Id:$
+#
+# $Log:$
+#
+
+ifeq ($(V),1)
+ VB=''
+else
+ VB=@
+endif
+
+CC=$(BANAN_TOOLCHAIN_PREFIX)/bin/$(BANAN_ARCH)-banan_os-gcc
+CXX=$(BANAN_TOOLCHAIN_PREFIX)/bin/$(BANAN_ARCH)-banan_os-g++
+CFLAGS+=-O2 -g
+CFLAGS+=-Wall -DNORMALUNIX -DLINUX -DSNDSERV -D_DEFAULT_SOURCE
+CXXFLAGS+=$(CFLAGS) --std=c++20
+LDFLAGS+=
+LIBS+=
+
+# subdirectory for objects
+OBJDIR=build-$(BANAN_ARCH)
+OUTPUT=$(OBJDIR)/doomgeneric
+
+SRC_DOOM = dummy.o am_map.o doomdef.o doomstat.o dstrings.o d_event.o d_items.o d_iwad.o d_loop.o d_main.o d_mode.o d_net.o f_finale.o f_wipe.o g_game.o hu_lib.o hu_stuff.o info.o i_cdmus.o i_endoom.o i_joystick.o i_scale.o i_sound.o i_system.o i_timer.o memio.o m_argv.o m_bbox.o m_cheat.o m_config.o m_controls.o m_fixed.o m_menu.o m_misc.o m_random.o p_ceilng.o p_doors.o p_enemy.o p_floor.o p_inter.o p_lights.o p_map.o p_maputl.o p_mobj.o p_plats.o p_pspr.o p_saveg.o p_setup.o p_sight.o p_spec.o p_switch.o p_telept.o p_tick.o p_user.o r_bsp.o r_data.o r_draw.o r_main.o r_plane.o r_segs.o r_sky.o r_things.o sha1.o sounds.o statdump.o st_lib.o st_stuff.o s_sound.o tables.o v_video.o wi_stuff.o w_checksum.o w_file.o w_main.o w_wad.o z_zone.o w_file_stdc.o i_input.o i_video.o doomgeneric.o doomgeneric_banan_os.o
+OBJS += $(addprefix $(OBJDIR)/, $(SRC_DOOM))
+
+all: $(OUTPUT)
+
+clean:
+ rm -rf $(OBJDIR)
+ rm -f $(OUTPUT)
+ rm -f $(OUTPUT).gdb
+ rm -f $(OUTPUT).map
+
+$(OUTPUT): $(OBJS)
+ @echo [Linking $@]
+ $(VB)$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) \
+ -o $(OUTPUT) $(LIBS) -Wl,-Map,$(OUTPUT).map
+ @echo [Size]
+ -$(CROSS_COMPILE)size $(OUTPUT)
+
+$(OBJS): | $(OBJDIR)
+
+$(OBJDIR):
+ mkdir -p $(OBJDIR)
+
+$(OBJDIR)/%.o: %.c
+ @echo [Compiling $<]
+ $(VB)$(CC) $(CFLAGS) -c $< -o $@
+
+$(OBJDIR)/%.o: %.cpp
+ @echo [Compiling $<]
+ $(VB)$(CXX) $(CXXFLAGS) -c $< -o $@
+
+print:
+ @echo OBJS: $(OBJS)
diff --git a/doomgeneric/doomgeneric_banan_os.cpp b/doomgeneric/doomgeneric_banan_os.cpp
new file mode 100644
index 0000000..e32c861
--- /dev/null
+++ b/doomgeneric/doomgeneric_banan_os.cpp
@@ -0,0 +1,224 @@
+extern "C"
+{
+#include "doomgeneric.h"
+#include "doomkeys.h"
+}
+
+#include <assert.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <string.h>
+#include <sys/banan-os.h>
+#include <sys/framebuffer.h>
+#include <sys/mman.h>
+#include <time.h>
+
+#include <BAN/Math.h>
+#include <kernel/Input/KeyEvent.h>
+
+extern "C"
+{
+
+static struct framebuffer_info_t s_fb_info;
+static uint32_t* s_framebuffer = NULL;
+
+static int s_input_fd;
+
+static constexpr size_t s_key_queue_size = 16;
+static unsigned short s_key_queue[s_key_queue_size];
+static size_t s_key_read_index = 0;
+static size_t s_key_write_index = 0;
+
+void handle_key_input()
+{
+ Kernel::Input::KeyEvent event;
+ if (read(s_input_fd, &event, sizeof(event)) <= 0)
+ return;
+
+ unsigned short doom_key = 0;
+
+ switch (event.keycode)
+ {
+ case 109:
+ doom_key = KEY_ENTER;
+ break;
+ case 0:
+ doom_key = KEY_ESCAPE;
+ break;
+ case 193:
+ doom_key = KEY_LEFTARROW;
+ break;
+ case 192:
+ doom_key = KEY_UPARROW;
+ break;
+ case 195:
+ doom_key = KEY_RIGHTARROW;
+ break;
+ case 194:
+ doom_key = KEY_DOWNARROW;
+ break;
+ case 160:
+ case 165:
+ doom_key = KEY_FIRE;
+ break;
+ case 163:
+ doom_key = KEY_USE;
+ break;
+ case 128:
+ case 140:
+ doom_key = KEY_RSHIFT;
+ break;
+
+ case 65: doom_key = tolower('Q'); break;
+ case 66: doom_key = tolower('W'); break;
+ case 67: doom_key = tolower('E'); break;
+ case 68: doom_key = tolower('R'); break;
+ case 69: doom_key = tolower('T'); break;
+ case 70: doom_key = tolower('Y'); break;
+ case 71: doom_key = tolower('U'); break;
+ case 72: doom_key = tolower('I'); break;
+ case 73: doom_key = tolower('O'); break;
+ case 74: doom_key = tolower('P'); break;
+
+ case 97: doom_key = tolower('A'); break;
+ case 98: doom_key = tolower('S'); break;
+ case 99: doom_key = tolower('D'); break;
+ case 100: doom_key = tolower('F'); break;
+ case 101: doom_key = tolower('G'); break;
+ case 102: doom_key = tolower('H'); break;
+ case 103: doom_key = tolower('J'); break;
+ case 104: doom_key = tolower('K'); break;
+ case 105: doom_key = tolower('L'); break;
+
+ case 130: doom_key = tolower('Z'); break;
+ case 131: doom_key = tolower('X'); break;
+ case 132: doom_key = tolower('C'); break;
+ case 133: doom_key = tolower('V'); break;
+ case 134: doom_key = tolower('B'); break;
+ case 135: doom_key = tolower('N'); break;
+ case 136: doom_key = tolower('M'); break;
+ }
+
+ doom_key |= (int)event.pressed() << 8;
+
+ s_key_queue[s_key_write_index] = doom_key;
+ s_key_write_index = (s_key_write_index + 1) % s_key_queue_size;
+}
+
+void DG_Init()
+{
+ s_input_fd = open("/dev/input0", O_RDONLY | O_NONBLOCK);
+ if (s_input_fd == -1)
+ {
+ perror("open");
+ exit(1);
+ }
+
+ int fd = open("/dev/fb0", O_RDWR);
+ if (fd == -1)
+ {
+ perror("open");
+ exit(1);
+ }
+
+ if (pread(fd, &s_fb_info, sizeof(s_fb_info), -1) == -1)
+ {
+ perror("pread");
+ exit(1);
+ }
+
+ size_t bytes = s_fb_info.width * s_fb_info.height * (BANAN_FB_BPP / 8);
+
+ s_framebuffer = (uint32_t*)mmap(NULL, bytes, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (s_framebuffer == NULL)
+ {
+ perror("mmap");
+ exit(1);
+ }
+
+ memset(s_framebuffer, 0, bytes);
+ msync(s_framebuffer, bytes, MS_SYNC);
+
+ if (tty_ctrl(STDIN_FILENO, TTY_CMD_UNSET, TTY_FLAG_ENABLE_INPUT) == -1)
+ {
+ perror("tty_ctrl");
+ exit(1);
+ }
+
+ atexit([]() { tty_ctrl(STDIN_FILENO, TTY_CMD_SET, TTY_FLAG_ENABLE_INPUT); });
+}
+
+void DG_DrawFrame()
+{
+ if (s_framebuffer == NULL)
+ return;
+
+ assert(BANAN_FB_BPP == 32);
+
+ for (size_t y = 0; y < BAN::Math::min<uint32_t>(s_fb_info.height, DOOMGENERIC_RESY); y++)
+ {
+ memcpy(
+ s_framebuffer + y * s_fb_info.width,
+ DG_ScreenBuffer + y * DOOMGENERIC_RESX,
+ BAN::Math::min<uint32_t>(s_fb_info.width, DOOMGENERIC_RESX) * sizeof(uint32_t)
+ );
+ }
+
+ int ret = msync(s_framebuffer, s_fb_info.width * s_fb_info.height * 4, MS_SYNC);
+ assert(ret != -1);
+
+ handle_key_input();
+}
+
+void DG_SleepMs(uint32_t ms)
+{
+ struct timespec ts;
+ ts.tv_sec = ms / 1000;
+ ts.tv_nsec = (ms % 1000) * 1000000;
+ nanosleep(&ts, NULL);
+}
+
+uint32_t DG_GetTicksMs()
+{
+ struct timespec ts;
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+ return (ts.tv_sec * 1000) + (ts.tv_nsec / 1000000);
+}
+
+int DG_GetKey(int* pressed, unsigned char* doomKey)
+{
+ if (s_key_read_index == s_key_write_index)
+ return 0;
+
+ unsigned short key_data = s_key_queue[s_key_read_index];
+ s_key_read_index = (s_key_read_index + 1) % s_key_queue_size;
+
+ *pressed = key_data >> 8;
+ *doomKey = key_data & 0xFF;
+
+ return 1;
+}
+
+void DG_SetWindowTitle(const char* title)
+{
+ (void)title;
+}
+
+int main(int argc, char** argv)
+{
+ doomgeneric_Create(argc, argv);
+
+ for (;;)
+ doomgeneric_Tick();
+
+ return 0;
+}
+
+int rename(const char* oldp, const char* newp)
+{
+ fprintf(stderr, "rename(\"%s\", \"%s\")\n", oldp, newp);
+ exit(1);
+}
+
+}
--
2.44.0
Reference in New Issue View Git Blame Copy Permalink