be_aas_debug.c

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.

Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

/*****************************************************************************
 * name:		be_aas_debug.c
 *
 * desc:		AAS debug code
 *
 * $Archive: /MissionPack/code/botlib/be_aas_debug.c $
 *
 *****************************************************************************/

#include "../game/q_shared.h"
#include "l_memory.h"
#include "l_script.h"
#include "l_precomp.h"
#include "l_struct.h"
#include "l_libvar.h"
#include "aasfile.h"
#include "../game/botlib.h"
#include "../game/be_aas.h"
#include "be_interface.h"
#include "be_aas_funcs.h"
#include "be_aas_def.h"

#define MAX_DEBUGLINES				1024
#define MAX_DEBUGPOLYGONS			8192

int debuglines[MAX_DEBUGLINES];
int debuglinevisible[MAX_DEBUGLINES];
int numdebuglines;

static int debugpolygons[MAX_DEBUGPOLYGONS];

//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void AAS_ClearShownPolygons(void)
{
	int i;
//*
	for (i = 0; i < MAX_DEBUGPOLYGONS; i++)
	{
		if (debugpolygons[i]) botimport.DebugPolygonDelete(debugpolygons[i]);
		debugpolygons[i] = 0;
	} //end for
//*/
/*
	for (i = 0; i < MAX_DEBUGPOLYGONS; i++)
	{
		botimport.DebugPolygonDelete(i);
		debugpolygons[i] = 0;
	} //end for
*/
} //end of the function AAS_ClearShownPolygons
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void AAS_ShowPolygon(int color, int numpoints, vec3_t *points)
{
	int i;

	for (i = 0; i < MAX_DEBUGPOLYGONS; i++)
	{
		if (!debugpolygons[i])
		{
			debugpolygons[i] = botimport.DebugPolygonCreate(color, numpoints, points);
			break;
		} //end if
	} //end for
} //end of the function AAS_ShowPolygon
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void AAS_ClearShownDebugLines(void)
{
	int i;

	//make all lines invisible
	for (i = 0; i < MAX_DEBUGLINES; i++)
	{
		if (debuglines[i])
		{
			//botimport.DebugLineShow(debuglines[i], NULL, NULL, LINECOLOR_NONE);
			botimport.DebugLineDelete(debuglines[i]);
			debuglines[i] = 0;
			debuglinevisible[i] = qfalse;
		} //end if
	} //end for
} //end of the function AAS_ClearShownDebugLines
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void AAS_DebugLine(vec3_t start, vec3_t end, int color)
{
	int line;

	for (line = 0; line < MAX_DEBUGLINES; line++)
	{
		if (!debuglines[line])
		{
			debuglines[line] = botimport.DebugLineCreate();
			debuglinevisible[line] = qfalse;
			numdebuglines++;
		} //end if
		if (!debuglinevisible[line])
		{
			botimport.DebugLineShow(debuglines[line], start, end, color);
			debuglinevisible[line] = qtrue;
			return;
		} //end else
	} //end for
} //end of the function AAS_DebugLine
//===========================================================================
//
// Parameter:			-
// Returns:				-
// Changes Globals:		-
//===========================================================================
void AAS_PermanentLine(vec3_t start, vec3_t end, int color)
{
	int line;

	line = botimport.DebugLineCreate();
	botimport.DebugLineShow(line, start, end, color);
} //end of the function AAS_PermenentLine
//===========================================================================
//
// Parameter:			-
// Returns:				-
// Changes Globals:		-
//===========================================================================
void AAS_DrawPermanentCross(vec3_t origin, float size, int color)
{
	int i, debugline;
	vec3_t start, end;

	for (i = 0; i < 3; i++)
	{
		VectorCopy(origin, start);
		start[i] += size;
		VectorCopy(origin, end);
		end[i] -= size;
		AAS_DebugLine(start, end, color);
		debugline = botimport.DebugLineCreate();
		botimport.DebugLineShow(debugline, start, end, color);
	} //end for
} //end of the function AAS_DrawPermanentCross
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void AAS_DrawPlaneCross(vec3_t point, vec3_t normal, float dist, int type, int color)
{
	int n0, n1, n2, j, line, lines[2];
	vec3_t start1, end1, start2, end2;

	//make a cross in the hit plane at the hit point
	VectorCopy(point, start1);
	VectorCopy(point, end1);
	VectorCopy(point, start2);
	VectorCopy(point, end2);

	n0 = type % 3;
	n1 = (type + 1) % 3;
	n2 = (type + 2) % 3;
	start1[n1] -= 6;
	start1[n2] -= 6;
	end1[n1] += 6;
	end1[n2] += 6;
	start2[n1] += 6;
	start2[n2] -= 6;
	end2[n1] -= 6;
	end2[n2] += 6;

	start1[n0] = (dist - (start1[n1] * normal[n1] +
				start1[n2] * normal[n2])) / normal[n0];
	end1[n0] = (dist - (end1[n1] * normal[n1] +
				end1[n2] * normal[n2])) / normal[n0];
	start2[n0] = (dist - (start2[n1] * normal[n1] +
				start2[n2] * normal[n2])) / normal[n0];
	end2[n0] = (dist - (end2[n1] * normal[n1] +
				end2[n2] * normal[n2])) / normal[n0];

	for (j = 0, line = 0; j < 2 && line < MAX_DEBUGLINES; line++)
	{
		if (!debuglines[line])
		{
			debuglines[line] = botimport.DebugLineCreate();
			lines[j++] = debuglines[line];
			debuglinevisible[line] = qtrue;
			numdebuglines++;
		} //end if
		else if (!debuglinevisible[line])
		{
			lines[j++] = debuglines[line];
			debuglinevisible[line] = qtrue;
		} //end else
	} //end for
	botimport.DebugLineShow(lines[0], start1, end1, color);
	botimport.DebugLineShow(lines[1], start2, end2, color);
} //end of the function AAS_DrawPlaneCross
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void AAS_ShowBoundingBox(vec3_t origin, vec3_t mins, vec3_t maxs)
{
	vec3_t bboxcorners[8];
	int lines[3];
	int i, j, line;

	//upper corners
	bboxcorners[0][0] = origin[0] + maxs[0];
	bboxcorners[0][1] = origin[1] + maxs[1];
	bboxcorners[0][2] = origin[2] + maxs[2];
	//
	bboxcorners[1][0] = origin[0] + mins[0];
	bboxcorners[1][1] = origin[1] + maxs[1];
	bboxcorners[1][2] = origin[2] + maxs[2];
	//
	bboxcorners[2][0] = origin[0] + mins[0];
	bboxcorners[2][1] = origin[1] + mins[1];
	bboxcorners[2][2] = origin[2] + maxs[2];
	//
	bboxcorners[3][0] = origin[0] + maxs[0];
	bboxcorners[3][1] = origin[1] + mins[1];
	bboxcorners[3][2] = origin[2] + maxs[2];
	//lower corners
	Com_Memcpy(bboxcorners[4], bboxcorners[0], sizeof(vec3_t) * 4);
	for (i = 0; i < 4; i++) bboxcorners[4 + i][2] = origin[2] + mins[2];
	//draw bounding box
	for (i = 0; i < 4; i++)
	{
		for (j = 0, line = 0; j < 3 && line < MAX_DEBUGLINES; line++)
		{
			if (!debuglines[line])
			{
				debuglines[line] = botimport.DebugLineCreate();
				lines[j++] = debuglines[line];
				debuglinevisible[line] = qtrue;
				numdebuglines++;
			} //end if
			else if (!debuglinevisible[line])
			{
				lines[j++] = debuglines[line];
				debuglinevisible[line] = qtrue;
			} //end else
		} //end for
		//top plane
		botimport.DebugLineShow(lines[0], bboxcorners[i],
									bboxcorners[(i+1)&3], LINECOLOR_RED);
		//bottom plane
		botimport.DebugLineShow(lines[1], bboxcorners[4+i],
									bboxcorners[4+((i+1)&3)], LINECOLOR_RED);
		//vertical lines
		botimport.DebugLineShow(lines[2], bboxcorners[i],
									bboxcorners[4+i], LINECOLOR_RED);
	} //end for
} //end of the function AAS_ShowBoundingBox
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void AAS_ShowFace(int facenum)
{
	int i, color, edgenum;
	aas_edge_t *edge;
	aas_face_t *face;
	aas_plane_t *plane;
	vec3_t start, end;

	color = LINECOLOR_YELLOW;
	//check if face number is in range
	if (facenum >= aasworld.numfaces)
	{
		botimport.Print(PRT_ERROR, "facenum %d out of range\n", facenum);
	} //end if
	face = &aasworld.faces[facenum];
	//walk through the edges of the face
	for (i = 0; i < face->numedges; i++)
	{
		//edge number
		edgenum = abs(aasworld.edgeindex[face->firstedge + i]);
		//check if edge number is in range
		if (edgenum >= aasworld.numedges)
		{
			botimport.Print(PRT_ERROR, "edgenum %d out of range\n", edgenum);
		} //end if
		edge = &aasworld.edges[edgenum];
		if (color == LINECOLOR_RED) color = LINECOLOR_GREEN;
		else if (color == LINECOLOR_GREEN) color = LINECOLOR_BLUE;
		else if (color == LINECOLOR_BLUE) color = LINECOLOR_YELLOW;
		else color = LINECOLOR_RED;
		AAS_DebugLine(aasworld.vertexes[edge->v[0]],
										aasworld.vertexes[edge->v[1]],
										color);
	} //end for
	plane = &aasworld.planes[face->planenum];
	edgenum = abs(aasworld.edgeindex[face->firstedge]);
	edge = &aasworld.edges[edgenum];
	VectorCopy(aasworld.vertexes[edge->v[0]], start);
	VectorMA(start, 20, plane->normal, end);
	AAS_DebugLine(start, end, LINECOLOR_RED);
} //end of the function AAS_ShowFace
//===========================================================================
//
// Parameter:				-
// Returns:					-
// Changes Globals:		-
//===========================================================================
void AAS_ShowFacePolygon(int facenum, int color, int flip)
{
	int i, edgenum, numpoints;
	vec3_t points[128];
	aas_edge_t *edge;
	aas_face_t *face;

	//check if face number is in range
	if (facenum >= aasworld.numfaces)
	{
		botimport.Print(PRT_ERROR, "facenum %d out of range\n", facenum);
	} //end if
	face = &aasworld.faces[facenum];
	//walk through the edges of the face
	numpoints = 0;
	if (flip)
	{
		for (i = face->numedges-1; i >= 0; i--)
		{
			//edge number
			edgenum = aasworld.edgeindex[face->firstedge + i];
			edge = &aasworld.edges[abs(edgenum)];
			VectorCopy(aasworld.vertexes[edge->v[edgenum < 0]], points[numpoints]);
			numpoints++;
		} //end for
	} //end if
	else
	{
		for (i = 0; i < face->numedges; i++)
		{
			//edge number
			edgenum = aasworld.edgeindex[face->firstedge + i];
			edge = &aasworld.edges[abs(edgenum)];
			VectorCopy(aasworld.vertexes[edge->v[edgenum < 0]], points[numpoints]);
			numpoints++;
		} //end for
	} //end else
	AAS_ShowPolygon(color, numpoints, points);
} //end of the function AAS_ShowFacePolygon
//===========================================================================
//