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Add ActiveRatio to be used where CheckRatio is used today
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commit
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2 changed files with 58 additions and 25 deletions
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@ -1603,6 +1603,59 @@ CUSTOM_CVAR (Int, vid_aspect, 0, CVAR_GLOBALCONFIG|CVAR_ARCHIVE)
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}
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}
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// Helper for ActiveRatio and CheckRatio. Returns the forced ratio type, or -1 if none.
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int ActiveFakeRatio(int width, int height)
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{
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int fakeratio = -1;
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if ((vid_aspect >= 1) && (vid_aspect <= 6))
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{
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// [SP] User wants to force aspect ratio; let them.
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fakeratio = int(vid_aspect);
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if (fakeratio == 3)
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{
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fakeratio = 0;
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}
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else if (fakeratio == 5)
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{
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fakeratio = 3;
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}
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}
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if (vid_nowidescreen)
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{
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if (!vid_tft)
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{
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fakeratio = 0;
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}
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else
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{
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fakeratio = (height * 5 / 4 == width) ? 4 : 0;
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}
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}
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return fakeratio;
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}
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// Active screen ratio based on cvars and size
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float ActiveRatio(int width, int height, float *trueratio)
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{
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static float forcedRatioTypes[] =
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{
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4 / 3.0f,
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16 / 9.0f,
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16 / 10.0f,
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17 / 10.0f,
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5 / 4.0f,
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17 / 10.0f,
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21 / 9.0f
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};
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float ratio = width / (float)height;
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int fakeratio = ActiveFakeRatio(width, height);
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if (trueratio)
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*trueratio = ratio;
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return (fakeratio != -1) ? forcedRatioTypes[fakeratio] : ratio;
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}
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// Tries to guess the physical dimensions of the screen based on the
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// screen's pixel dimensions. Can return:
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// 0: 4:3
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@ -1639,31 +1692,9 @@ int CheckRatio (int width, int height, int *trueratio)
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}
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}
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int fakeratio = ratio;
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if ((vid_aspect >= 1) && (vid_aspect <= 6))
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{
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// [SP] User wants to force aspect ratio; let them.
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fakeratio = int(vid_aspect);
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if (fakeratio == 3)
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{
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fakeratio = 0;
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}
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else if (fakeratio == 5)
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{
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fakeratio = 3;
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}
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}
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if (vid_nowidescreen)
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{
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if (!vid_tft)
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{
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fakeratio = 0;
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}
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else
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{
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fakeratio = (height * 5 / 4 == width) ? 4 : 0;
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}
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}
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int fakeratio = ActiveFakeRatio(width, height);
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if (fakeratio == -1)
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fakeratio = ratio;
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if (trueratio)
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*trueratio = ratio;
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@ -516,6 +516,8 @@ extern "C" void ASM_PatchPitch (void);
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int CheckRatio (int width, int height, int *trueratio=NULL);
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static inline int CheckRatio (double width, double height) { return CheckRatio(int(width), int(height)); }
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float ActiveRatio (int width, int height, float *trueratio = NULL);
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static inline double ActiveRatio (double width, double height) { return ActiveRatio(int(width), int(height)); }
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extern const int BaseRatioSizes[7][4];
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inline bool IsRatioWidescreen(int ratio) {
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