fteqw/engine/client/vid_headless.c

#include "quakedef.h"
#ifndef SERVERONLY
#include "gl_draw.h"
#include "shader.h"

#ifdef _WIN32
#include <windows.h>
#include "resource.h"
#else
#include <unistd.h>
#endif

static texid_tf dummytex;

static void Headless_Draw_Init(void)
{
	//we always return some valid texture. this avoids having to hit the disk for each and every possibility until it fails, thus 'loading' textures much faster (hurrah for findtexture always finding one).
	static texcom_t dummytexinfo;
	dummytexinfo.width = 64;
	dummytexinfo.height = 64;
	dummytex.ref = &dummytexinfo;
	R2D_Init();
}
static void Headless_Draw_Shutdown(void)
{
	Shader_Shutdown();
}
static texid_tf Headless_IMG_LoadTexture		(const char *identifier, int width, int height, uploadfmt_t fmt, void *data, unsigned int flags)
{
	return dummytex;
}
static texid_tf Headless_IMG_LoadTexture8Pal24	(const char *identifier, int width, int height, qbyte *data, qbyte *palette24, unsigned int flags)
{
	return dummytex;
}
static texid_tf Headless_IMG_LoadTexture8Pal32	(const char *identifier, int width, int height, qbyte *data, qbyte *palette32, unsigned int flags)
{
	return dummytex;
}
static texid_tf Headless_IMG_LoadCompressed		(const char *name)
{
	return dummytex;
}
static texid_tf Headless_IMG_FindTexture		(const char *identifier, unsigned int flags)
{
	return dummytex;
}
static texid_tf Headless_IMG_AllocNewTexture	(const char *identifier, int w, int h, unsigned int flags)
{
	return dummytex;
}
static void    Headless_IMG_Upload				(texid_t tex, char *name, uploadfmt_t fmt, void *data, void *palette, int width, int height, unsigned int flags)
{
}
static void    Headless_IMG_DestroyTexture		(texid_t tex)
{
}
static void	Headless_R_Init					(void)
{
}
static void	Headless_R_DeInit					(void)
{
}
static void	Headless_R_RenderView				(void)
{
}
static void	Headless_R_NewMap					(void)
{
}
static void	Headless_R_PreNewMap				(void)
{
}

#ifdef _WIN32
//tray icon crap, so the user can still restore the game.
LRESULT CALLBACK HeadlessWndProc(HWND wnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
	extern cvar_t vid_renderer;
	switch(msg)
	{
	case WM_USER:
		switch(LOWORD(lparam))
		{
		case WM_CONTEXTMENU:
		case WM_USER+0:
		case WM_RBUTTONUP:
			if (!Q_strcasecmp(vid_renderer.string, "headless"))
				Cbuf_AddText("vid_renderer \"\";vid_restart\n", RESTRICT_LOCAL);
			else
				Cbuf_AddText("vid_restart\n", RESTRICT_LOCAL);
			break;
		default:
			break;
		}
		return 0;
	default:
		return DefWindowProcA(wnd, msg, wparam, lparam);
	}
}
#endif

static qboolean Headless_VID_Init				(rendererstate_t *info, unsigned char *palette)
{
#ifdef _WIN32
	//tray icon crap, so the user can still restore the game.
	extern HWND	mainwindow;
	extern HINSTANCE	global_hInstance;
	WNDCLASSA wc;
	NOTIFYICONDATA data;

	//Shell_NotifyIcon requires a window to provide events etc.
    wc.style         = 0;
    wc.lpfnWndProc   = (WNDPROC)HeadlessWndProc;
    wc.cbClsExtra    = 0;
    wc.cbWndExtra    = 0;
    wc.hInstance     = global_hInstance;
    wc.hIcon         = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
    wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
	wc.hbrBackground = NULL;
    wc.lpszMenuName  = 0;
    wc.lpszClassName = "FTEHeadlessClass";
	RegisterClassA(&wc);

	mainwindow = CreateWindowExA(0L, wc.lpszClassName, "FTE QuakeWorld", 0, 0, 0, 0, 0, NULL, NULL, global_hInstance, NULL);
	data.cbSize = sizeof(data);
	data.hWnd = mainwindow;
	data.uID = 0;
	data.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;
	data.uCallbackMessage = WM_USER;
	data.hIcon = wc.hIcon;
	strcpy(data.szTip, "Right-click to restore");
	Shell_NotifyIcon(NIM_ADD, &data);
#endif
	return true;
}
static void	 Headless_VID_DeInit				(void)
{
#ifdef _WIN32
	//tray icon crap, so the user can still restore the game.
	extern HWND	mainwindow;
	DestroyWindow(mainwindow);
	mainwindow = NULL;
#endif
}
static void	Headless_VID_SwapBuffers			(void)
{
}
static qboolean Headless_VID_ApplyGammaRamps		(unsigned short *ramps)
{
	return false;
}
static void	Headless_VID_SetWindowCaption		(char *msg)
{
}
static char	*Headless_VID_GetRGBInfo			(int prepad, int *truevidwidth, int *truevidheight)
{
	*truevidwidth = *truevidheight = 0;
	return NULL;
}
static void	Headless_SCR_UpdateScreen			(void)
{
	if (!cls.timedemo)
	{
#ifdef _WIN32
		Sleep(100);
#else
		usleep(100*1000);
#endif
	}
}
static void	Headless_BE_SelectMode	(backendmode_t mode)
{
}
static void	Headless_BE_DrawMesh_List	(shader_t *shader, int nummeshes, struct mesh_s **mesh, struct vbo_s *vbo, struct texnums_s *texnums, unsigned int be_flags)
{
}
static void	Headless_BE_DrawMesh_Single	(shader_t *shader, struct mesh_s *meshchain, struct vbo_s *vbo, struct texnums_s *texnums, unsigned int be_flags)
{
}
static void	Headless_BE_SubmitBatch	(struct batch_s *batch)
{
}
static struct batch_s *Headless_BE_GetTempBatch	(void)
{
	return NULL;
}
static void	Headless_BE_DrawWorld	(qboolean drawworld, qbyte *vis)
{
}
static void	Headless_BE_Init	(void)
{
}
static void Headless_BE_GenBrushModelVBO	(struct model_s *mod)
{
}
static void Headless_BE_ClearVBO	(struct vbo_s *vbo)
{
}
static void Headless_BE_UploadAllLightmaps	(void)
{
}
static void Headless_BE_SelectEntity	(struct entity_s *ent)
{
}
static qboolean Headless_BE_SelectDLight	(struct dlight_s *dl, vec3_t colour, unsigned int lmode)
{
	return false;
}
static void Headless_BE_Scissor	(srect_t *rect)
{
}
static qboolean Headless_BE_LightCullModel	(vec3_t org, struct model_s *model)
{
	return false;
}
static void Headless_BE_VBO_Begin	(vbobctx_t *ctx, unsigned int maxsize)
{
}
static void Headless_BE_VBO_Data	(vbobctx_t *ctx, void *data, unsigned int size, vboarray_t *varray)
{
}
static void Headless_BE_VBO_Finish	(vbobctx_t *ctx, void *edata, unsigned int esize, vboarray_t *earray)
{
}
static void Headless_BE_VBO_Destroy	(vboarray_t *vearray)
{
}
static void Headless_BE_RenderToTextureUpdate2d	(qboolean destchanged)
{
}

rendererinfo_t headlessrenderer =
{
	"Headless",
	{"headless"},
	QR_HEADLESS,

	Headless_Draw_Init,
	Headless_Draw_Shutdown,
	Headless_IMG_LoadTexture,
	Headless_IMG_LoadTexture8Pal24,
	Headless_IMG_LoadTexture8Pal32,
	Headless_IMG_LoadCompressed,
	Headless_IMG_FindTexture,
	Headless_IMG_AllocNewTexture,
	Headless_IMG_Upload,
	Headless_IMG_DestroyTexture,
	Headless_R_Init,
	Headless_R_DeInit,
	Headless_R_RenderView,
	Headless_R_NewMap,
	Headless_R_PreNewMap,
	Headless_VID_Init,
	Headless_VID_DeInit,
	Headless_VID_SwapBuffers,
	Headless_VID_ApplyGammaRamps,
	Headless_VID_SetWindowCaption,
	Headless_VID_GetRGBInfo,
	Headless_SCR_UpdateScreen,
	Headless_BE_SelectMode,
	Headless_BE_DrawMesh_List,
	Headless_BE_DrawMesh_Single,
	Headless_BE_SubmitBatch,
	Headless_BE_GetTempBatch,
	Headless_BE_DrawWorld,
	Headless_BE_Init,
	Headless_BE_GenBrushModelVBO,
	Headless_BE_ClearVBO,
	Headless_BE_UploadAllLightmaps,
	Headless_BE_SelectEntity,
	Headless_BE_SelectDLight,
	Headless_BE_Scissor,
	Headless_BE_LightCullModel,
	Headless_BE_VBO_Begin,
	Headless_BE_VBO_Data,
	Headless_BE_VBO_Finish,
	Headless_BE_VBO_Destroy,
	Headless_BE_RenderToTextureUpdate2d,
	""
};
#endif