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#include "AxisLinesRenderer.h"
#include "Graphics.h"
#include "Game.h"
#include "SelectionBox.h"
#include "PackedCol.h"
#include "Camera.h"
#include "Event.h"
#include "Entity.h"
#include "ExtMath.h"
cc_bool AxisLinesRenderer_Enabled;
static GfxResourceID axisLines_vb;
#define AXISLINES_NUM_VERTICES 12
#define AXISLINES_THICKNESS (1.0f / 32.0f)
#define AXISLINES_LENGTH 3.0f
void AxisLinesRenderer_Render(void) {
static const cc_uint8 indices[36] = {
2,2,1, 2,2,3, 4,2,3, 4,2,1, /* X arrow */
1,2,2, 1,2,4, 3,2,4, 3,2,2, /* Z arrow */
1,2,3, 1,4,3, 3,4,1, 3,2,1, /* Y arrow */
};
static const PackedCol colors[] = {
PackedCol_Make(255, 0, 0, 255), /* Red */
PackedCol_Make( 0, 0, 255, 255), /* Blue */
PackedCol_Make( 0, 255, 0, 255), /* Green */
};
struct VertexColoured* v;
Vec3 coords[5], pos, dirVector;
int i, count;
float axisLengthScale, axisThicknessScale;
struct Entity* e;
if (!AxisLinesRenderer_Enabled) return;
/* Don't do it in a ContextRecreated handler, because we only want VB recreated if ShowAxisLines in on. */
if (!axisLines_vb) {
axisLines_vb = Gfx_CreateDynamicVb(VERTEX_FORMAT_COLOURED, AXISLINES_NUM_VERTICES);
}
e = &Entities.CurPlayer->Base;
if (Camera.Active->isThirdPerson) {
pos = e->Position;
axisLengthScale = 1;
axisThicknessScale = 1;
pos.y += 0.05f;
} else {
pos = Camera.CurrentPos;
dirVector = Vec3_GetDirVector(e->Yaw * MATH_DEG2RAD, e->Pitch * MATH_DEG2RAD);
Vec3_Mul1(&dirVector, &dirVector, 0.5f);
Vec3_Add(&pos, &dirVector, &pos);
axisLengthScale = 1.0f / 32.0f;
axisThicknessScale = 1.0f / 8.0f;
}
count = 12;
Vec3_Add1(&coords[0], &pos, -AXISLINES_LENGTH * axisLengthScale);
Vec3_Add1(&coords[1], &pos, -AXISLINES_THICKNESS * axisThicknessScale);
coords[2] = pos;
Vec3_Add1(&coords[3], &pos, AXISLINES_THICKNESS * axisThicknessScale);
Vec3_Add1(&coords[4], &pos, AXISLINES_LENGTH * axisLengthScale);
v = (struct VertexColoured*)Gfx_LockDynamicVb(axisLines_vb,
VERTEX_FORMAT_COLOURED, AXISLINES_NUM_VERTICES);
for (i = 0; i < count; i++, v++)
{
v->x = coords[indices[i*3 + 0]].x;
v->y = coords[indices[i*3 + 1]].y;
v->z = coords[indices[i*3 + 2]].z;
v->Col = colors[i >> 2];
}
Gfx_SetVertexFormat(VERTEX_FORMAT_COLOURED);
Gfx_UnlockDynamicVb(axisLines_vb);
Gfx_DrawVb_IndexedTris(count);
}
/*########################################################################################################################*
*-----------------------------------------------AxisLinesRenderer component-----------------------------------------------*
*#########################################################################################################################*/
static void OnContextLost(void* obj) {
Gfx_DeleteDynamicVb(&axisLines_vb);
}
static void OnInit(void) {
Event_Register_(&GfxEvents.ContextLost, NULL, OnContextLost);
}
static void OnFree(void) { OnContextLost(NULL); }
struct IGameComponent AxisLinesRenderer_Component = {
OnInit, /* Init */
OnFree, /* Free */
};
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