All jogi's work.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@3977 fc73d0e0-1445-4013-8a0c-d673dee63da5

quakec/csaddon/src/cam.qc

@@ -1,8 +1,12 @@
 typedef struct
 {
 	int numpoints;
+	int type;
 	vector pos[64];
 	float totallength;
+	vector color;
+	int selected_point;
+	float position;
 } spline_t;
 
 typedef struct
@@ -11,16 +15,20 @@ typedef struct
 	float endtime;
 	float startfov;
 	float endfov;
-	spline_t view;
+	spline_t spline;
-	spline_t focus;
 } cam_t;
+
 typedef struct
 {
-	int numcams;
-	int selcam;
 	int ver;
-	cam_t cam[64];
+	int position_count;
+	int position_selected;
+	int view_count;
+	int view_selected;
+	cam_t position[64];
+	cam_t view[64];
 } camdata_t;
+
 static camdata_t *camdata;
 static var float splinefile = -1;
 
@@ -57,6 +65,10 @@ static void spline_calclength(spline_t *s)
 static vector(spline_t *s, float frac) spline_pos =
 {
 	vector v1, v2;
+	if (s->numpoints < 2)
+	{
+		return;
+	}
 	frac *= s->numpoints;
 	if (frac < 0)
 	{
@@ -95,49 +107,209 @@ static vector(vector pos, vector dir, vector view) beamdir =
 	return result;
 };
 
+void(vector p1, vector p2, vector color) fakeline = {
+	R_BeginPolygon("camsplineshader");
+	R_PolygonVertex(p1+'0 0 1', '0 0', color,1);
+	R_PolygonVertex(p1-'0 0 1', '0 1', color,1);
+	R_PolygonVertex(p2-'0 0 1', '1 1', color,1);
+	R_PolygonVertex(p2+'0 0 1', '1 0', color,1);
+	R_PolygonVertex(p1-'0 0 1', '0 0', color,1);
+	R_PolygonVertex(p1+'0 0 1', '0 1', color,1);
+	R_PolygonVertex(p2+'0 0 1', '1 1', color,1);
+	R_PolygonVertex(p2-'0 0 1', '1 0', color,1);
+
+	R_EndPolygon();
+};
+
+void (vector pos, vector color) draw_point
+{
+	local vector pos1, pos2;
+	//x
+	pos1 = pos - '10 0 0';
+	pos2 = pos + '10 0 0';
+	fakeline(pos1, pos2, color);
+	//y
+	pos1 = pos - '0 10 0';
+	pos2 = pos + '0 10 0';
+	fakeline(pos1, pos2, color);
+	//z -- this isnt drawing right for some reason
+	pos1 = pos - '0 0 10';
+	pos2 = pos + '0 0 10';
+	fakeline(pos1, pos2, color);
+};
+
+// time has to be between 0 and 1
+vector(spline_t *s, float frac_time) spline_calculate_position =
+{
+	local vector r, point1, point2, point3, point4;
+	local float t1, t2, t3, t4, t5, t_scaled;
+	local int i;
+
+	if (s->numpoints == 0)
+	{
+		return '0 0 0';
+	}
+
+	// point
+	if (s->numpoints == 1)
+	{
+		return s->pos[0];
+	}
+
+	// straight line
+	if (s->numpoints == 2)
+	{
+		r = s->pos[1] - s->pos[0];
+		r = r * frac_time;
+		r = r + s->pos[0];
+		return r;
+	}
+
+	// cubic spline
+	if (s->numpoints == 3)// || (s->numpoints > 3 && s->type == 1))
+	{
+		t1 = 1-frac_time;
+		t2 = pow(t1, s->numpoints - 1);
+		t3 = pow(frac_time, s->numpoints - 1);
+
+		for (i=0; i<s->numpoints; i++)
+		{
+			if (i == 0)
+			{
+				r = s->pos[i] * t2;
+			}
+			else if (i == s->numpoints - 1)
+			{
+				r = r + s->pos[i] * t3;
+			}
+			else
+			{
+				t4 = (s->numpoints-1) * pow(frac_time, i) * pow(t1, s->numpoints - 1 - i);
+				r = r + s->pos[i] * t4;
+			}
+		}
+		return r;
+	}
+
+	// catmull rom
+	if (s->numpoints > 3)
+	{
+		// getting the start point -- might change if we add times to points
+		// first point is always an entry point last point also
+		t5 = 1 / (s->numpoints - 3);
+		for (i=1, t4=t5; t4<frac_time; t4 = t4 + t5)
+		{
+			i++;
+		}
+		//print(sprintf("end: %i\n", i));
+		if (i > s->numpoints)
+		{
+			print(sprintf("something went wrong while getting the start point!\n"));
+			return s->pos[0];
+		}
+
+
+		point1 = s->pos[i - 1i];
+		point2 = s->pos[i];
+		point3 = s->pos[i+1i];
+		point4 = s->pos[i+2i];
+
+		// scale the time so its 0 -> 1 between point1 and 2
+		/*
+			1		2		3		4		5		6
+					0		1
+					0						1
+		*/
+
+		t_scaled = (frac_time - (t4 - t5))/t5; // hope this works :P
+
+		// would be really nice if i could access vector components via [0] [1] ... here
+		// warning RETARDED!
+		t1 = point2_x;
+		t2 = -0.5 * point1_x + 0.5 * point3_x;
+		t3 = point1_x + (-2.5 * point2_x) + 2.0* point3_x +(-0.5 *point4_x);
+		t4 = -0.5 * point1_x + 1.5 * point2_x + (-1.5 * point3_x) + 0.5 * point4_x;
+		r_x = ((t4 * t_scaled + t3)*t_scaled + t2)*t_scaled + t1;
+
+		t1 = point2_y;
+		t2 = -0.5 * point1_y + 0.5 * point3_y;
+		t3 = point1_y + (-2.5 * point2_y) + 2.0* point3_y +(-0.5 *point4_y);
+		t4 = -0.5 * point1_y + 1.5 * point2_y + (-1.5 * point3_y) + 0.5 * point4_y;
+		r_y = ((t4 * t_scaled + t3)*t_scaled + t2)*t_scaled + t1;
+
+		t1 = point2_z;
+		t2 = -0.5 * point1_z + 0.5 * point3_z;
+		t3 = point1_z + (-2.5 * point2_z) + 2.0* point3_z +(-0.5 *point4_z);
+		t4 = -0.5 * point1_z + 1.5 * point2_z + (-1.5 * point3_z) + 0.5 * point4_z;
+		r_z = ((t4 * t_scaled + t3)*t_scaled + t2)*t_scaled + t1;
+
+
+
+
+		return r;
+	}
+
+	return s->pos[0];
+
+};
+
 static void(spline_t *s) spline_draw =
 {
 	local float step, frac;
 	local vector pos, pos1, pos2, vpos;
 	local vector bdir;
+	local int i;
+	local vector color;
 
 	/*example of drawing convex polygons*/
 	R_BeginPolygon("camsplineshader");
 
 	vpos = getviewprop(VF_ORIGIN);
 
-	/*calc the initial beam positions*/
+	if (s->numpoints < 3)
-	pos = spline_pos(s, 0);
-	bdir = beamdir(pos, spline_dir(s, 0), vpos)*8;
-	pos1 = pos + bdir;
-	pos2 = pos - bdir;
-	
-	for (frac = 0; frac < 1; )
 	{
-		frac += step;
+		step = 1; // should be fine
-		if (frac > 1)
-			frac = 1;
-
-		pos = spline_pos(s, frac);
-
-		/*emit prior verts*/
-		R_PolygonVertex(pos1, '0 0', '1 1 1', 1);
-		R_PolygonVertex(pos2, '1 0', '1 1 1', 1);
-
-		/*calc intersitial beam position*/
-		pos2 = spline_dir(s, frac);
-		bdir = beamdir(pos, spline_dir(s, frac), vpos)*8;
-		pos1 = pos + bdir;
-		pos2 = pos - bdir;
-
-		/*emit current verts*/
-		R_PolygonVertex(pos2, '1 1', '1 1 1', 1);
-		R_PolygonVertex(pos1, '0 1', '1 1 1', 1);
-		R_EndPolygon();
 	}
+	else
+	{
+		step = 0.01;
+	}
+
+	color = '1 0 1';
+
+	for (frac=0; frac<=1; frac = frac + step)
+	{
+		pos = spline_calculate_position(s, frac);
+		if (frac == 0)
+		{
+			pos2 = pos;
+			continue;
+		}
+
+		fakeline(pos2, pos, color);
+		pos2 = pos;
+	}
+
+	//fakeline(pos2, s->pos[s->numpoints-1]);
+
+//	draw points
+	for (i=0; i<s->numpoints; i++)
+	{
+		color = '0.25 0.25 0.25';
+		if (i == s->selected_point)
+			color = '1 1 1';
+		draw_point(s->pos[i], color);
+	}
+	// draw position
+	pos = spline_calculate_position(s, s->position);
+	draw_point(pos, '1 0 0');
 };
 
+void(float attime) spline_overrides =
+{
+};
 /*called to move the view to some simulation time*/
+/*
 void(float attime) spline_overrides =
 {
 	local cam_t *cam;
@@ -145,15 +317,15 @@ void(float attime) spline_overrides =
 	local vector src, dst;
 	local float frac;
 
-	/*find correct spline based upon time*/
+	//find correct spline based upon time
-	for (i = 0; i < camdata->numcams; i++)
+	for (i = 0; i < camdata->count; i++)
 	{
 		cam = &camdata->cam[i];
 		if (cam->starttime <= attime && cam->endtime > attime)
 			break;
 	}
-	/*give up if no matches*/
+	//give up if no matches
-	if (i == camdata->numcams)
+	if (i == camdata->count)
 		return;
 
 	frac = (attime - cam->starttime) / (cam->endtime - cam->starttime);
@@ -164,6 +336,7 @@ void(float attime) spline_overrides =
 	setviewprop(VF_ANGLES, vectoangles(dst - src));
 	setviewprop(VF_AFOV, (cam->startfov * (1-frac)) + (cam->endfov * frac));
 };
+*/
 
 void() editor_spline_add =
 {
@@ -173,25 +346,224 @@ void() editor_spline_add =
 		spline_init();
 
 	/*add visible splines to the scene*/
-	for (i = 0; i < camdata->numcams; i+=1i)
+	for (i = 0; i < camdata->position_count; i+=1i)
-		spline_draw(&camdata->cam[i].view);
+		spline_draw(&camdata->position[i].spline);
 
 	/*sort out the overrides*/
 //	spline_overrides(simtime);
 };
 void(vector curmousepos) editor_spline_overlay =
 {
+	local vector pos, v;
+	local spline_t *s;
+
 	if (splinefile < 0)
 		spline_init();
 
 
 	/*draw menu*/
 	/*dunno if the light editor has any convienient code*/
-	drawrawstring('0 32 0', sprintf("spline %i / %i", camdata->selcam, camdata->numcams), '8 8 0', '1 1 1', 1);
+	pos_y = 40;
+	drawrawstring(pos, sprintf("cam  : %i / %i", camdata->position_selected + 1i , camdata->position_count), '8 8 0', '1 1 1', 1);
+	if (camdata->position_count)
+	{
+		pos_y += 8;
+		s = &camdata->position[camdata->position_selected].spline;
+		v = s->pos[s->selected_point];
+		drawrawstring(pos, sprintf(" point: %i / %i -- %f %f %f", s->selected_point + 1i, s->numpoints, v_x, v_y, v_z), '8 8 0', '1 1 1', 1);
+	}
+	pos_y += 8;
+	drawrawstring(pos, sprintf("view : %i / %i", camdata->view_selected + 1i, camdata->view_count), '8 8 0', '1 1 1', 1);
 };
+
+int (spline_t *s, vector point) spline_add_point = 
+{
+	if (s->numpoints + 1 >= 64)
+	{
+		return 1;
+	}
+
+	s->pos[s->numpoints] = point;
+	s->selected_point = s->numpoints;
+	s->numpoints = s->numpoints + 1i; //oldskool!
+	return 0;
+};
+
+void (spline_t *s, vector point) spline_set_point =
+{
+	s->pos[s->selected_point] = point;
+};
+
+void (int type) position_add_point =
+{
+	vector v;
+	int i;
+	local cam_t *c;
+	local spline_t *s;
+
+	i = camdata->position_selected;
+	c = &camdata->position[i];
+	s = &c->spline;
+	v = getviewprop(VF_ORIGIN);
+	if (type == 0)
+	{
+		if (spline_add_point(s, v))
+		{
+//			print(sprintf("point could not be added.\n"));
+		}
+		else
+		{
+//			print(sprintf("added point: %i %f %f %f\n", s->selected_point, v_x, v_y, v_z));
+		}
+	}
+}
+
+void(void) position_add
+{
+	print(sprintf("test\n"));
+	if (camdata->position_count >= 64)
+	{
+		return;
+	}
+
+	print(sprintf("adding a position\n"));
+
+	camdata->position_selected = camdata->position_count;
+	camdata->position_count = camdata->position_count + 1i; //oldskool
+}
+
+void(void) view_add
+{
+	if (camdata->view_count >= 64)
+	{
+		return;
+	}
+	camdata->view_selected = camdata->view_count;
+	camdata->view_count = camdata->view_count + 1i;
+}
+
+void(spline_t *s, vector change) spline_change_point_position
+{
+	if (s->numpoints == 0)
+		return;
+	s->pos[s->selected_point] = s->pos[s->selected_point] + change;
+};
+
+void (spline_t *s, float change) spline_change_position
+{
+	s->position = s->position + change;
+	if (s->position < 0)
+		s->position = 0;
+	else if (s->position > 1)
+		s->position = 1;
+}
+
+void(spline_t *s, int change) spline_change_selected_point
+{
+	if (s->numpoints == 0)
+		return;
+
+	if (change + s->selected_point < 0)
+		s->selected_point = s->numpoints -1;
+	else if (change + s->selected_point >= s->numpoints)
+		s->selected_point = 0;
+	else
+		s->selected_point = s->selected_point + change;
+};
+
 float(float keycode, float unicode, vector curmousepos) editor_spline_key
 {
-	/*print/figure out the codes yourself :P */
+	if (keycode == 'j')
+	{
+		if (camdata->position_count == 0)
+			position_add();
+		position_add_point(0);
+	}
+
+	if (keycode == 'k')
+	{
+		if (camdata->position_count == 0)
+			return FALSE;
+		spline_change_selected_point(&camdata->position[camdata->position_selected].spline, -1);
+		return TRUE;
+	}
+
+	if (keycode == 'l')
+	{
+		if (camdata->position_count == 0)
+			return FALSE;
+		spline_change_selected_point(&camdata->position[camdata->position_selected].spline, 1);
+		return TRUE;
+	}
+
+	if (keycode == '9')
+	{
+		if (camdata->position_count == 0)
+			return FALSE;
+		spline_change_point_position(&camdata->position[camdata->position_selected].spline, '0 0 -1');
+		return TRUE;
+	}
+
+	if (keycode == '0')
+	{
+		if (camdata->position_count == 0)
+			return FALSE;
+		spline_change_point_position(&camdata->position[camdata->position_selected].spline, '0 0 1');
+		return TRUE;
+	}
+
+	if (keycode == '7')
+	{
+		if (camdata->position_count == 0)
+			return FALSE;
+		spline_change_point_position(&camdata->position[camdata->position_selected].spline, '0 -1 0');
+		return TRUE;
+	}
+
+	if (keycode == '8')
+	{
+		if (camdata->position_count == 0)
+			return FALSE;
+		spline_change_point_position(&camdata->position[camdata->position_selected].spline, '0 1 0');
+		return TRUE;
+	}
+
+	if (keycode == '5')
+	{
+		if (camdata->position_count == 0)
+			return FALSE;
+		spline_change_point_position(&camdata->position[camdata->position_selected].spline, '-1 0 0');
+		return TRUE;
+	}
+
+	if (keycode == '6')
+	{
+		if (camdata->position_count == 0)
+			return FALSE;
+		spline_change_point_position(&camdata->position[camdata->position_selected].spline, '1 0 0');
+		return TRUE;
+	}
+
+	if (keycode == '-')
+	{
+		if (camdata->position_count == 0)
+			return FALSE;
+		spline_change_position(&camdata->position[camdata->position_selected].spline, -0.01);
+		return TRUE;
+	}
+
+	if (keycode == '=')
+	{
+		if (camdata->position_count == 0)
+			return FALSE;
+		spline_change_position(&camdata->position[camdata->position_selected].spline, 0.01);
+		return TRUE;
+	}
+
+
+
+
+
 	return FALSE;
 };