Initial commit.

code/cgame/cg_lights.cpp

@@ -0,0 +1,87 @@
+// this line must stay at top so the whole PCH thing works...
+#include "cg_headers.h"
+//#include "cg_local.h"
+
+#if !defined(CG_LIGHTS_H_INC)
+	#include "cg_lights.h"
+#endif
+
+static	clightstyle_t	cl_lightstyle[MAX_LIGHT_STYLES];
+static	int				lastofs;
+
+/*
+================
+FX_ClearLightStyles
+================
+*/
+void CG_ClearLightStyles (void)
+{
+	int	i;
+
+	memset (cl_lightstyle, 0, sizeof(cl_lightstyle));
+	lastofs = -1;
+
+	for(i=0;i<MAX_LIGHT_STYLES*3;i++)
+	{
+		CG_SetLightstyle (i);
+	}
+}
+
+/*
+================
+FX_RunLightStyles
+================
+*/
+void CG_RunLightStyles (void)
+{
+	int		ofs;
+	int		i;
+	clightstyle_t	*ls;
+
+	ofs = cg.time / 50;
+//	if (ofs == lastofs)
+//		return;
+	lastofs = ofs;
+
+	for (i=0,ls=cl_lightstyle ; i<MAX_LIGHT_STYLES ; i++, ls++)
+	{
+		if (!ls->length)
+		{
+			ls->value[0] = ls->value[1] = ls->value[2] = ls->value[3] = 255;
+		}
+		else if (ls->length == 1)
+		{
+			ls->value[0] = ls->map[0][0];
+			ls->value[1] = ls->map[0][1];
+			ls->value[2] = ls->map[0][2];
+			ls->value[3] = 255; //ls->map[0][3];
+		}
+		else
+		{
+			ls->value[0] = ls->map[ofs%ls->length][0];
+			ls->value[1] = ls->map[ofs%ls->length][1];
+			ls->value[2] = ls->map[ofs%ls->length][2];
+			ls->value[3] = 255; //ls->map[ofs%ls->length][3];
+		}
+		trap_R_SetLightStyle(i, *(int*)ls->value);
+	}
+}
+
+void CG_SetLightstyle (int i)
+{
+	const char	*s;
+	int			j, k;
+
+	s = CG_ConfigString( i+CS_LIGHT_STYLES );
+	j = strlen (s);
+	if (j >= MAX_QPATH)
+	{
+		Com_Error (ERR_DROP, "svc_lightstyle length=%i", j);
+	}
+
+	cl_lightstyle[(i/3)].length = j;
+	for (k=0 ; k<j ; k++)
+	{
+		cl_lightstyle[(i/3)].map[k][(i%3)] = (float)(s[k]-'a')/(float)('z'-'a') * 255.0;
+	}
+}