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| author | aap <aap@papnet.eu> | 2019-05-30 13:35:13 +0200 |
|---|---|---|
| committer | aap <aap@papnet.eu> | 2019-05-30 13:35:13 +0200 |
| commit | 852d8298b1f6c838d4d5c7fd8cfbdbf2615b62d1 (patch) | |
| tree | 2efed135e4d792f86cbac02c9c9bb1eaa340d9ed /src/render/Draw.cpp | |
| parent | added CAntennas (diff) | |
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Diffstat (limited to 'src/render/Draw.cpp')
| -rw-r--r-- | src/render/Draw.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/render/Draw.cpp b/src/render/Draw.cpp index f26f2ada..6244c3fa 100644 --- a/src/render/Draw.cpp +++ b/src/render/Draw.cpp @@ -1,6 +1,34 @@ #include "common.h" +#include "patcher.h" #include "Draw.h" float &CDraw::ms_fNearClipZ = *(float*)0x8E2DC4; float &CDraw::ms_fFarClipZ = *(float*)0x9434F0; float &CDraw::ms_fFOV = *(float*)0x5FBC6C; + +static float hFov2vFov(float hfov) +{ + float w = SCREENW; + float h = SCREENH; + + // => tan(hFOV/2) = tan(vFOV/2)*aspectRatio + // => tan(vFOV/2) = tan(hFOV/2)/aspectRatio + float ar1 = 4.0/3.0; + float ar2 = w/h; + hfov = DEGTORAD(hfov); + float vfov = atan(tan(hfov/2) / ar1) *2; + hfov = atan(tan(vfov/2) * ar2) *2; + return RADTODEG(hfov); +} + +void +CDraw::SetFOV(float fov) +{ +// TODO: fix FOV here or somewhere else? +// ms_fFOV = hFov2vFov(fov); + ms_fFOV = fov; +} + +STARTPATCHES + InjectHook(0x4FE7B0, CDraw::SetFOV, PATCH_JUMP); +ENDPATCHES |