1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of version 3 or later of the GNU General Public License as
4  * published by the Free Software Foundation.
5  *
6  * This program is distributed in the hope that it will be useful,
7  * but WITHOUT ANY WARRANTY; without even the implied warranty of
8  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
9  * GNU General Public License for more details.
10  *
11  * You should have received a copy of the GNU General Public License
12  * along with this program; if not, write to the Free Software
13  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
14  *
15  * $Id: fun3d.h,v 1.38 2018/04/28 21:40:58 plm Exp $
16  */
17 
18 #ifndef FUN3D_H
19 #define FUN3D_H
20 
21 #include "types3d.h"
22 #include "gtkboard.h"
23 #include "analysis.h"
24 
25 #if defined(WIN32)
26 /* MS gl.h needs windows.h to be included first */
27 #include <windows.h>
28 #endif
29 
30 #if defined(USE_APPLE_OPENGL)
31 #include <gl.h>
32 #include <glu.h>
33 #else
34 #include <GL/gl.h>
35 #include <GL/glu.h>
36 #endif
37 
38 #if defined(HAVE_GL_GLX_H)
39 #include <GL/glx.h>             /* x-windows file */
40 #endif
41 
42 /* Setup functions */
43 void InitGL(const BoardData * bd);
44 
45 /* Drawing functions */
46 void drawBoard(const BoardData * bd, const BoardData3d * bd3d, const renderdata * prd);
47 extern void Draw3d(const BoardData * bd);
48 void SetupPerspVolume(const BoardData * bd, BoardData3d * bd3d, const renderdata * prd, GLint viewport[4]);
49 float getBoardWidth(void);
50 float getBoardHeight(void);
51 void calculateBackgroundSize(BoardData3d * bd3d, const GLint viewport[4]);
52 
53 void RestrictiveRender(const BoardData * bd, const BoardData3d * bd3d, const renderdata * prd);
54 void RestrictiveDrawFrame(const float pos[3], float width, float height, float depth);
55 void RestrictiveDrawFrameWindow(int x, int y, int width, int height);
56 void RestrictiveDraw(ClipBox * pCb, const float pos[3], float width, float height, float depth);
57 void EnlargeCurrentToBox(const ClipBox * pOtherCb);
58 void RestrictiveDrawFlag(const BoardData * bd);
59 
60 extern void getPiecePos(unsigned int point, unsigned int pos, float v[3]);
61 
62 /* Graph functions */
63 GtkWidget *StatGraph(GraphData * pgd);
64 void SetNumGames(GraphData * pgd, unsigned int numGames);
65 void AddGameData(GraphData * pgd, int game, const statcontext * psc);
66 void TidyGraphData(GraphData * pgd);
67 GraphData *CreateGraphData(void);
68 
69 /* Misc functions */
70 void SetupSimpleMat(Material * pMat, float r, float g, float b);
71 void SetupMat(Material * pMat, float r, float g, float b, float dr, float dg, float db, float sr, float sg, float sb,
72               int shin, float a);
73 void setMaterial(const Material * pMat);
74 void SetColour3d(float r, float g, float b, float a);
75 float randRange(float range);
76 void setupPath(const BoardData * bd, Path * p, float *pRotate, unsigned int fromPoint, unsigned int fromDepth,
77                unsigned int toPoint, unsigned int toDepth);
78 int finishedPath(const Path * p);
79 void getProjectedPieceDragPos(int x, int y, float pos[3]);
80 void updateMovingPieceOccPos(const BoardData * bd, BoardData3d * bd3d);
81 void LoadTextureInfo(void);
82 GList *GetTextureList(TextureType type);
83 extern void FindTexture(TextureInfo ** textureInfo, const char *file);
84 extern void FindNamedTexture(TextureInfo ** textureInfo, char *name);
85 float Dist2d(float a, float b);
86 float ***Alloc3d(unsigned int x, unsigned int y, unsigned int z);
87 void Free3d(float ***array, unsigned int x, unsigned int y);
88 int LoadTexture(Texture *texture, const char *filename);
89 void CheckOpenglError(void);
90 
91 /* Functions for 3d board */
92 extern void InitGTK3d(int *argc, char ***argv);
93 extern void InitBoard3d(BoardData * bd, BoardData3d * bd3d);
94 extern void freeEigthPoints(float ****boardPoints, unsigned int accuracy);
95 extern void SetupVisual(void);
96 extern void SetupViewingVolume3d(const BoardData * bd, BoardData3d * bd3d, const renderdata * prd);
97 extern void DisplayCorrectBoardType(BoardData * bd, BoardData3d * bd3d, renderdata * prd);
98 extern int CreateGLWidget(BoardData * bd);
99 
100 extern void RollDice3d(BoardData * bd, BoardData3d * bd3d, const renderdata * prd);
101 extern void AnimateMove3d(BoardData * bd, BoardData3d * bd3d);
102 extern void ShowFlag3d(BoardData * bd, BoardData3d * bd3d, const renderdata * prd);
103 extern void StopIdle3d(const BoardData * bd, BoardData3d * bd3d);
104 extern void preDraw3d(const BoardData * bd, BoardData3d * bd3d, renderdata * prd);
105 extern void CloseBoard3d(BoardData * bd, BoardData3d * bd3d, renderdata * prd);
106 extern int BoardPoint3d(const BoardData * bd, int x, int y);
107 extern int BoardSubPoint3d(const BoardData * bd, int x, int y, guint point);
108 extern int MouseMove3d(const BoardData * bd, BoardData3d * bd3d, const renderdata * prd, int x, int y);
109 extern void RenderToBuffer3d(const BoardData * bd, BoardData3d * bd3d, unsigned int width, unsigned int height,
110                              unsigned char *buf);
111 extern void Tidy3dObjects(BoardData3d * bd3d, const renderdata * prd);
112 extern float TestPerformance3d(BoardData * bd);
113 extern void Set3dSettings(renderdata * prdnew, const renderdata * prd);
114 extern void MakeCurrent3d(const BoardData3d * bd3d);
115 extern void GetTextures(BoardData3d * bd3d, renderdata * prd);
116 extern void ClearTextures(BoardData3d * bd3d);
117 extern void DeleteTextureList(void);
118 
119 extern void PlaceMovingPieceRotation(const BoardData * bd, BoardData3d * bd3d, unsigned int dest, unsigned int src);
120 extern void SetMovingPieceRotation(const BoardData * bd, BoardData3d * bd3d, unsigned int pt);
121 extern void UpdateShadows(BoardData3d * bd3d);
122 extern void updateOccPos(const BoardData * bd);
123 extern void updateDiceOccPos(const BoardData * bd, BoardData3d * bd3d);
124 extern void updatePieceOccPos(const BoardData * bd, BoardData3d * bd3d);
125 extern void updateHingeOccPos(BoardData3d * bd3d, int show3dHinges);
126 extern void updateFlagOccPos(const BoardData * bd, BoardData3d * bd3d);
127 
128 extern void RestrictiveRedraw(void);
129 extern void RestrictiveDrawPiece(unsigned int pos, unsigned int depth);
130 extern void RestrictiveStartMouseMove(unsigned int pos, unsigned int depth);
131 extern void RestrictiveEndMouseMove(unsigned int pos, unsigned int depth);
132 extern void RestrictiveDrawDice(BoardData * bd);
133 extern void RestrictiveDrawCube(BoardData * bd, int old_doubled, int old_cube_owner);
134 extern void RestrictiveDrawMoveIndicator(BoardData * bd);
135 extern void RestrictiveDrawBoardNumbers(const BoardData3d * bd3d);
136 
137 extern void setDicePos(BoardData * bd, BoardData3d * bd3d);
138 extern int DiceTooClose(const BoardData3d * bd3d, const renderdata * prd);
139 
140 void SuspendDiceRolling(renderdata * prd);
141 void ResumeDiceRolling(renderdata * prd);
142 
143 extern int ShadowsInitilised(const BoardData3d * bd3d);
144 void shadowInit(BoardData3d * bd3d, renderdata * prd);
145 void shadowDisplay(void (*drawScene) (const BoardData *, const BoardData3d *, const renderdata *), const BoardData * bd,
146                    const BoardData3d * bd3d, const renderdata * prd);
147 
148 /* font functions */
149 void glPrintPointNumbers(const OGLFont * numberFont, const char *text);
150 void glPrintCube(OGLFont * cubeFont, const char *text);
151 void glPrintNumbersRA(const OGLFont * numberFont, const char *text);
152 int CreateFonts(BoardData3d * bd3d);
153 float GetFontHeight3d(const OGLFont * font);
154 int CreateNumberFont(OGLFont ** ppFont, const char *fontFile, int pitch, float size, float heightRatio);
155 void FreeFontText(OGLFont * ppFont);
156 void FreeNumberFont(OGLFont * ppFont);
157 int CreateFontText(OGLFont ** ppFont, const char *text, const char *fontFile, int pitch, float size, float heightRatio);
158 extern void glDrawText(const OGLFont * font);
159 
160 GtkWidget *GetDrawingArea3d(const BoardData3d * bd3d);
161 extern int MaterialCompare(Material * pMat1, Material * pMat2);
162 extern char *MaterialGetTextureFilename(const Material * pMat);
163 extern void TidyCurveAccuracy3d(BoardData3d * bd3d, unsigned int accuracy);
164 extern void DrawScene3d(const BoardData3d * bd3d);
165 extern int Animating3d(const BoardData3d * bd3d);
166 
167 extern void ResetPreviews(void);
168 extern void UpdateColPreviews(void);
169 extern int GetPreviewId(void);
170 extern void UpdateColPreview(int ID);
171 extern void SetPreviewLightLevel(const int levels[3]);
172 extern gboolean display_is_2d(const renderdata * prd);
173 extern gboolean display_is_3d(const renderdata * prd);
174 extern void RerenderBase(BoardData3d * bd3d);
175 extern int setVSync(int state);
176 extern int extensionSupported(const char *extension);
177 
178 extern void InitColourSelectionDialog(void);
179 extern GtkWidget *gtk_colour_picker_new3d(Material * pMat, int opacity, TextureType textureType);
180 
181 #endif
182