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Subject: Suppress vertical mouse movement when the "--novert" parameter is given.
Author: Fabian Greffrath <fabian+debian@greffrath.com>
--- a/wl_def.h
+++ b/wl_def.h
@@ -934,6 +934,7 @@ extern int param_mission;
extern boolean param_goodtimes;
extern boolean param_ignorenumchunks;
extern boolean param_shading;
+extern boolean param_novert;
void NewGame (int difficulty,int episode);
--- a/wl_main.cpp
+++ b/wl_main.cpp
@@ -102,6 +102,7 @@ int param_mission = 0;
boolean param_goodtimes = false;
boolean param_ignorenumchunks = false;
boolean param_shading = false;
+boolean param_novert = false;
/*
=============================================================================
@@ -1723,6 +1724,8 @@ void CheckParameters(int argc, char *arg
else IFARG("--shading")
param_shading = true;
#endif
+ else IFARG("--novert")
+ param_novert = true;
else IFARG("--res")
{
if(i + 2 >= argc)
@@ -1906,6 +1909,7 @@ void CheckParameters(int argc, char *arg
#ifdef USE_SHADING
" --shading Enables shading support\n"
#endif
+ " --novert Suppresses vertical mouse movement\n"
" --res <width> <height> Sets the screen resolution\n"
" (must be multiple of 320x200 or 320x240)\n"
" --resf <w> <h> Sets any screen resolution >= 320x200\n"
--- a/wl_play.cpp
+++ b/wl_play.cpp
@@ -347,7 +347,8 @@ void PollMouseMove (void)
mouseymove -= screenHeight / 2;
controlx += mousexmove * 10 / (13 - mouseadjustment);
- controly += mouseymove * 20 / (13 - mouseadjustment);
+ if (!param_novert)
+ controly += mouseymove * 20 / (13 - mouseadjustment);
}
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