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/* Project nGen
John DiCamillo
Copyright © 1997-2002. All Rights Reserved.
SUBSYSTEM: nGen.lib
FILE: Video.h
AUTHOR: John DiCamillo
OVERVIEW
========
Abstract Video Interface
*/
#ifndef Video_h
#define Video_h
#include "Geometry.h"
#include "Color.h"
#include "List.h"
// +--------------------------------------------------------------------+
class Video;
struct VideoMode;
class VideoSettings;
class VideoPrivateData;
class Bitmap;
class Camera;
struct Rect;
struct Poly;
struct Material;
struct VertexSet;
class Light;
class Solid;
class Surface;
// +--------------------------------------------------------------------+
struct RenderStats
{
int nframe;
int nverts;
int npolys;
int nlines;
int ncalls;
int total_verts;
int total_polys;
int total_lines;
void Clear() { nverts = npolys = nlines = ncalls =
total_verts = total_polys = total_lines = 0; }
};
// +--------------------------------------------------------------------+
class Video
{
public:
enum STATUS { VIDEO_OK, VIDEO_ERR, VIDEO_BAD_PARM };
enum RENDER_STATE {
FILL_MODE,
SHADE_MODE,
LIGHTING_ENABLE,
Z_ENABLE,
Z_WRITE_ENABLE,
Z_BIAS,
TEXTURE_FILTER,
DITHER_ENABLE,
SPECULAR_ENABLE,
FOG_ENABLE,
FOG_COLOR,
FOG_DENSITY,
STENCIL_ENABLE,
TEXTURE_WRAP,
LIGHTING_PASS,
RENDER_STATE_MAX
};
enum BLEND_TYPE {
BLEND_SOLID = 1,
BLEND_ALPHA = 2,
BLEND_ADDITIVE = 4,
BLEND_FORCE_DWORD = 0x7fffffff,
};
enum SHADE_TYPE {
SHADE_FLAT = 1,
SHADE_GOURAUD = 2,
SHADE_PHONG = 3,
SHADE_FORCE_DWORD = 0x7fffffff,
};
enum FILL_TYPE {
FILL_POINT = 1,
FILL_WIREFRAME = 2,
FILL_SOLID = 3,
FILL_FORCE_DWORD = 0x7fffffff,
};
enum FILTER_TYPE {
FILTER_NONE = 1,
FILTER_LINEAR = 2,
FILTER_MIPMAP = 3,
FILTER_MIPLINEAR = 4,
FILTER_TRILINEAR = 6,
FILTER_FORCE_DWORD = 0x7fffffff,
};
enum PROJECTION_TYPE {
PROJECTION_PERSPECTIVE = 1,
PROJECTION_ORTHOGONAL = 2,
PROJECTION_FORCE_DWORD = 0x7fffffff,
};
Video();
virtual ~Video();
STATUS Status() const { return status; }
virtual const VideoSettings*
GetVideoSettings() const { return 0; }
virtual bool SetVideoSettings(const VideoSettings* vs) { return false; }
virtual bool Reset(const VideoSettings* vs) { return false; }
virtual bool SetBackgroundColor(Color c) { return false; }
virtual bool SetGammaLevel(int g) { return true; }
virtual bool SetObjTransform(const Matrix& o, const Point& l){ return false; }
virtual int Width() const { return 0; }
virtual int Height() const { return 0; }
virtual int Depth() const { return 0; }
virtual void RecoverSurfaces() { }
virtual bool ClearAll() { return false; }
virtual bool ClearDepthBuffer() { return false; }
virtual bool Present() { return false; }
virtual bool Pause() { return false; }
virtual bool Resume() { return false; }
virtual bool IsWindowed() const;
virtual bool IsFullScreen() const;
virtual bool IsModeSupported(int width, int height, int bpp)
const { return true; }
virtual bool IsHardware() const { return false; }
virtual bool IsHardwareTL() const { return false; }
virtual int ZDepth() const { return 0; }
virtual DWORD VidMemFree() const { return 0; }
virtual int D3DLevel() const { return 0; }
virtual int MaxTexSize() const { return 256; }
virtual int MaxTexAspect() const { return 0; }
virtual int GammaLevel() const { return 190; }
virtual bool IsShadowEnabled() const { return shadow_enabled; }
virtual bool IsBumpMapEnabled() const { return bump_enabled; }
virtual bool IsSpecMapEnabled() const { return spec_enabled; }
virtual void SetShadowEnabled(bool e) { shadow_enabled = e; }
virtual void SetBumpMapEnabled(bool e) { bump_enabled = e; }
virtual void SetSpecMapEnabled(bool e) { spec_enabled = e; }
virtual bool Capture(Bitmap& bmp) { return false; }
virtual bool GetWindowRect(Rect& r) { return false; }
virtual bool SetWindowRect(const Rect& r) { return false; }
virtual bool SetViewport(int x, int y, int w, int h) { return false; }
virtual bool SetCamera(const Camera* cam) { camera = cam;
return false; }
virtual bool SetProjection(float fov,
float znear=1.0f,
float zfar=1.0e6f,
DWORD type=PROJECTION_PERSPECTIVE) { return false; }
virtual bool SetEnvironment(Bitmap** faces) { return false; }
virtual bool SetAmbient(Color c) { return false; }
virtual bool SetLights(const List<Light>& lights) { return false; }
virtual bool SetRenderState(RENDER_STATE state, DWORD value) { return false; }
virtual bool SetBlendType(int blend_type) { return false; }
virtual bool StartFrame() { return false; }
virtual bool EndFrame() { return false; }
virtual bool DrawPolys(int npolys, Poly* p) { return false; }
virtual bool DrawScreenPolys(int npolys, Poly* p, int blend=0) { return false; }
virtual bool DrawSolid(Solid* s, DWORD blend_modes=0xf) { return false; }
virtual bool DrawShadow(Solid* s, int nverts, Vec3* verts, bool vis=false)
{ return false; }
virtual bool DrawLines(int nlines, Vec3* v, Color c, int blend=0) { return false; }
virtual bool DrawScreenLines(int nlines, float* v, Color c, int blend=0)
{ return false; }
virtual bool DrawPoints(VertexSet* v) { return false; }
virtual bool DrawPolyOutline(Poly* p) { return false; }
virtual bool UseMaterial(Material* m) { return false; }
virtual bool UseXFont(const char* name, int size, bool b, bool i) { return false; }
virtual bool DrawText(const char* text, int count, const Rect& rect,
DWORD format, Color c) { return false; }
virtual void PreloadTexture(Bitmap* bmp) { }
virtual void PreloadSurface(Surface* s) { }
virtual void InvalidateCache() { }
const Camera* GetCamera() const { return camera; }
const RenderStats& GetStats() const { return stats; }
static Video* GetInstance() { return video_instance; }
protected:
STATUS status;
RenderStats stats;
const Camera* camera;
bool shadow_enabled;
bool bump_enabled;
bool spec_enabled;
static Video* video_instance;
};
// +--------------------------------------------------------------------+
class VideoPrivateData
{
public:
VideoPrivateData() : valid(false) { }
virtual ~VideoPrivateData() { }
virtual int GetType() const { return 0; }
virtual bool IsValid() const { return valid; }
virtual void Invalidate() { valid = false; }
virtual void Validate() { valid = true; }
protected:
bool valid;
};
// +--------------------------------------------------------------------+
#endif Video_h
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