summaryrefslogtreecommitdiffstats
path: root/src/render/Draw.cpp
diff options
context:
space:
mode:
authoraap <aap@papnet.eu>2019-05-30 13:35:13 +0200
committeraap <aap@papnet.eu>2019-05-30 13:35:13 +0200
commit852d8298b1f6c838d4d5c7fd8cfbdbf2615b62d1 (patch)
tree2efed135e4d792f86cbac02c9c9bb1eaa340d9ed /src/render/Draw.cpp
parentadded CAntennas (diff)
downloadre3-852d8298b1f6c838d4d5c7fd8cfbdbf2615b62d1.tar
re3-852d8298b1f6c838d4d5c7fd8cfbdbf2615b62d1.tar.gz
re3-852d8298b1f6c838d4d5c7fd8cfbdbf2615b62d1.tar.bz2
re3-852d8298b1f6c838d4d5c7fd8cfbdbf2615b62d1.tar.lz
re3-852d8298b1f6c838d4d5c7fd8cfbdbf2615b62d1.tar.xz
re3-852d8298b1f6c838d4d5c7fd8cfbdbf2615b62d1.tar.zst
re3-852d8298b1f6c838d4d5c7fd8cfbdbf2615b62d1.zip
Diffstat (limited to 'src/render/Draw.cpp')
-rw-r--r--src/render/Draw.cpp28
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