madcow/scummvm-cursorfix
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Leon Krieg
2026-02-02 04:50:13 +01:00
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engines/watchmaker/render.h Normal file
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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef WATCHMAKER_RENDER_H
#define WATCHMAKER_RENDER_H
#include "common/array.h"
#include "watchmaker/types.h"
#include "watchmaker/windows_hacks.h"
#include "watchmaker/3d/texture.h"
#include "watchmaker/3d/material.h"
namespace Watchmaker {
// Material properties
#define T3D_MATERIAL_CLIPMAP (1<<0) // clipmap
#define T3D_MATERIAL_OPACITY (1<<1) // opacity (0-24)
#define T3D_MATERIAL_ADDITIVE (1<<2) // additive (25-49)
#define T3D_MATERIAL_GLASS (1<<3) // glass (50-74)
#define T3D_MATERIAL_BOTTLE (1<<4) // bottle (75-100)
#define T3D_MATERIAL_ENVIRONMENT (1<<5) // environment
#define T3D_MATERIAL_SKY (1<<6) // sky
#define T3D_MATERIAL_NOLIGHTMAP (1<<7) // no lightmap
#define T3D_MATERIAL_MOVIE (1<<8) // with movie
#define T3D_MATERIAL_FLARE (1<<9) // flare
#define T3D_MATERIAL_FLARE_SUN (1<<10) // flare sun
#define T3D_MATERIAL_FLARESOFT (1<<11) // flare soft
#define T3D_MATERIAL_SMOKE (1<<12) // smoke
#define T3D_MATERIAL_MOVIEPAUSED (1<<13) // if movie is paused
// Backbuffer & Z-Buffer
#define rCLEARZBUFFER (1<<0) // clear zbuffer
#define rCLEARBACKBUFFER (1<<1) // clear back buffer
#define rCLEARSCREENBUFFER (1<<2) // clear screen buffer
// rendering modes
#define rSOLIDMODE 1 // render in solid mode
#define rWIREFRAMEMODE 2 // render in wireframe
// vertex buffer lock options
#define rVBLOCK_READONLY 1 // lock VB for reading
#define rVBLOCK_WRITEONLY 2 // lock VB for writing
#define rVBLOCK_NOSYSLOCK 4 // lock VB without hanging the system
// VertexBuffers
#define MAX_LINES 50000 // max lines in VB
#define MAX_SHADOWS_PER_LIGHT 30 // max shadows per light
#define MAX_BATCH_BLOCKS 512 // max normal batch blocks
#define MAX_BATCH_BLOCKS_SPECIAL 128 // max special batch blocks
#define MAX_BATCH_BLOCKS_LIGHTMAPS 512 // max lightmaps batch blocks
#define MAX_BATCH_BLOCKS_SKY 4 // max sky batch blocks
#define FLEXIBLEVERTEXFLAGS (D3DFVF_XYZ | D3DFVF_DIFFUSE |D3DFVF_TEX2 ) // VB struct elements
//#define FLEXIBLEVERTEXFLAGSDEST (D3DFVF_XYZRHW | D3DFVF_DIFFUSE |D3DFVF_TEX2 )
// Bitmap & Texture
#define rBITMAPSURFACE (0) // Plain bitmap image; fit the backbuffer pixelformat
#define rTEXTURESURFACE (1<<0) // Use when loading an image; if flag specified the image fit the texture pixelformat
#define rSURFACESTRETCH (1<<1) // Used for bitmaps; strech the pic to a new dimension using DX (could produce very bad results)
#define rSURFACECOPY (1<<2) // Not supported yet
#define rSURFACEHALF (1<<3) // Used for texture; hal the dimension during loading
#define rSURFACEFLIP (1<<4) // Flip upside-down the loaded image
struct VertexBuffer {
// Just cheat for now, and do this offline.
Common::Array<gVertex> _buffer;
};
struct SHADOW {
uint32 totalverts, num_objverts; // number of vertices in the shadow mesh
uint32 num_side_indices, num_cap_indices; // number of indices
// LPDIRECT3DVERTEXBUFFER7 VB,ProjVertsVB; // holds vertices of shadow volumes
void *VB;
void *ProjVertsVB; // holds vertices of shadow volumes
uint16 *pwShadVolIndices; // tri indices into vertex buffer VB for DrawPrim
uint16 *pwShadVolSideIndices; // ptrs into main index array pwShadVolIndices for Side tris of shadow volume
int16 *pwShadVolCapIndices; // ptrs into main index array pwShadVolIndices for cap tris of shadow volume
gTexture ProjectiveTexture; // texture to be projected
};
struct SHADOWBOX {
SHADOW ShadowsList[MAX_SHADOWS_PER_LIGHT]; // shadow elements
unsigned int NumShadowsList; // number of shadow elements
int VBO;
//LPDIRECT3DVERTEXBUFFER7 VB; // shadow VB
uint32 NumVerts; // num verts in shadow box
uint32 NumIndices; // num indices
uint16 *pwIndices; // pointer to indices list
uint16 Intensity; // shadow intensity
uint16 ViewMatrixNum; // number of view matrix
};
struct gBatchBlock {
signed short int Texture1 = 0, Texture2 = 0; // texture ID
unsigned int Flags1 = 0, Flags2 = 0; // flags
signed short int ViewMatrixNum = 0; // view matrix num
unsigned short int NumFaces() {
return FacesList.size(); // faces number
}
unsigned short int NumVerts() {
if (VBO) return VBO->_buffer.size(); // verts number
else return 0;
}
Common::Array<uint16> FacesList; // pointer to faces list
Common::SharedPtr<VertexBuffer> VBO = nullptr;
// LPDIRECT3DVERTEXBUFFER7 VB; // block VB
gBatchBlock() {}
gBatchBlock(signed short int texture1, signed short int texture2, unsigned int flags1, unsigned int flags2) : Texture1(texture1), Texture2(texture2), Flags1(flags1), Flags2(flags2) {}
};
class WorkDirs;
//Rendering control functions
gBatchBlock *rNewBatchBlock(signed short int T1, unsigned int F1, signed short int T2, unsigned int F2);
void rBuildMaterialList(MaterialTable &MatList, unsigned int NumMat, signed short int ViewMatrixNum);
bool rRenderScene();
void rResetPipeline();
// Function declaration
bool rGrabVideo(const char *path, char flags);
bool rRenderReady();
//Materials, textures and bitmap functions
MaterialTable rCreateMaterialList(int num);
bool rSetMovieFrame(MaterialPtr mat, uint32 dwCurrFrame);
uint32 rGetMovieFrame(MaterialPtr mat);
void rReleaseAllTextures(unsigned int NotFlags);
class WGame;
int rLoadBitmapImage(WGame &game, const char *TextName, unsigned char flags);
void rReleaseAllBitmaps(unsigned int NotFlags);
void rReleaseBitmap(int i);
void rReleaseBitmapDirect(gTexture *b);
void rSetLoaderFlags(unsigned int NewLoaderFlags);
int rCreateSurface(unsigned int dimx, unsigned int dimy, unsigned char flags);
void *rCreateSurfaceP(unsigned int dimx, unsigned int dimy, unsigned char flags);
char *rGetBitmapName(unsigned int id);
void rSetBitmapName(unsigned int id, const char *s);
unsigned char *rLockSurface(int surf, unsigned int *pitch);
unsigned char *rLockSurfaceDirect(gTexture *t, unsigned int *pitch);
void rUnlockSurface(int surf);
void rUnlockSurfaceDirect(gTexture *t);
uint16 rRGBAToSurfaceFormat(unsigned int R, unsigned int G, unsigned int B, unsigned int A);
uint16 rRGBAToTextureFormat(unsigned int r, unsigned int g, unsigned int b, unsigned int a);
void rSurfaceFormatToRGBA(uint32 color, unsigned int *R, unsigned int *G, unsigned int *B, unsigned int *A);
void rTextureFormatToRGBA(uint16 color, unsigned int *R, unsigned int *G, unsigned int *B, unsigned int *A);
gTexture *rGetSurfaceTexture(int pos);
gTexture *rCopyTexture(gTexture *t);
//VertexBuffer and triangles functions
VertexBuffer rCreateVertexBuffer(unsigned int num);
bool rDeleteVertexBuffer(VertexBuffer &vb);
gVertex *rLockVertexPtr(void *vb, int flags);
void *rGetUserVertexBuffer();
unsigned int rGetUserVertexBufferCounter();
void rSetUserVertexBufferCounter(unsigned int uvbc);
bool rUnlockVertexPtr(void *vb);
uint16 *rGetLinesArrayPtr();
void rAddLinesArray();
unsigned int rGetNumLinesArray();
void rAddTrianglesArray(float x, float y, int r, int g, int b, int a);
int16 *rGetTrianglesArrayPtr();
unsigned int rGetNumTrianglesArray();
void *rLockPointArray();
void rUnlockPointArray();
unsigned int rGetNumPointArray();
void rAddPointArray();
void rOptimizeVertexArray(void *v);
bool rMakeShadowVolume(SHADOWBOX *sb, gVertex *InVerts, DWORD nverts, float lightm[9]);
bool rMakeShadowBox(SHADOWBOX *sb, float BoxX, float BoxY, float BoxZ, WORD intens);
bool rMakeProjectiveShadow(SHADOWBOX *sb, void *InVerts, DWORD nverts);
//Setup & clear functions
class WGame;
bool rInitialize3DEnvironment(WGame &game, char *cfg);
char *rGetRenderDllDesc();
void rSetFlagsFullScreen();
bool rGetFlagsFullScreen();
void rSetRenderMode(int state);
bool rClearBuffers(char flags);
void rGetScreenInfos(unsigned int *width, unsigned int *height, unsigned int *bpp);
void rRelaseFontTable(unsigned short *ft);
void rRelaseAllFontTable();
void rGetBlitterViewport(unsigned int *left, unsigned int *top, unsigned int *right, unsigned int *bottom);
void rUpdateExtends(int x1, int y1, int x2, int y2);
void rGetExtends(int *x1, int *y1, int *x2, int *y2);
void rResetExtends();
int rBlitSetStandardFont(signed int color, unsigned short *table);
int DebugQuick(signed int StdPx, signed int StdPy, const char *format, ...);
bool rGetStencilBitDepth();
//Misc functions
void rBlitter(WGame &game, int dst, int src, int dposx, int dposy, int sposx, int sposy, int sdimx, int sdimy);
//D3d specific geometry trasf. functions
struct t3dM3X3F;
struct t3dV3F;
void rSetViewMatrix(const t3dM3X3F &viewMatrix, const t3dV3F &translation);
int rBuildLinesViewMatrix(const t3dM3X3F &viewMatrix, const t3dV3F &translation);
int rAddUserViewMatrix(const t3dM3X3F &viewMatrix, const t3dV3F &translation);
void rSetUserViewMatrix(int num);
void rSaveViewMatrix();
void rRestoreViewMatrix();
void rSetLinesViewMatrix();
bool checkGlError(const char *when = "");
} // End of namespace Watchmaker
#endif // WATCHMAKER_RENDER_H