78 lines
3.2 KiB
C
78 lines
3.2 KiB
C
#include <ultra64.h>
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#include "sm64.h"
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#include "rendering_graph_node.h"
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#include "mario_misc.h"
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#include "skybox.h"
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#include "engine/math_util.h"
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#include "camera.h"
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#include "envfx_snow.h"
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#include "level_geo.h"
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/**
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* Geo function that generates a displaylist for environment effects such as
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* snow or jetstream bubbles.
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*/
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Gfx *geo_envfx_main(s32 callContext, struct GraphNode *node, f32 c[4][4]) {
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Vec3s marioPos;
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Vec3s camFrom;
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Vec3s camTo;
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void *particleList;
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Gfx *gfx = NULL;
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if (callContext == GEO_CONTEXT_RENDER && gCurGraphNodeCamera != NULL) {
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struct GraphNodeGenerated *execNode = (struct GraphNodeGenerated *) node;
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u32 *params = &execNode->parameter; // accessed a s32 as 2 u16s by pointing to the variable and
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// casting to a local struct as necessary.
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if (GET_HIGH_U16_OF_32(*params) != gAreaUpdateCounter) {
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UNUSED struct Camera *sp2C = gCurGraphNodeCamera->config.camera;
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s32 snowMode = GET_LOW_U16_OF_32(*params);
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vec3f_to_vec3s(camTo, gCurGraphNodeCamera->focus);
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vec3f_to_vec3s(camFrom, gCurGraphNodeCamera->pos);
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vec3f_to_vec3s(marioPos, gPlayerCameraState->pos);
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particleList = envfx_update_particles(snowMode, marioPos, camTo, camFrom);
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if (particleList != NULL) {
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Mtx *mtx = alloc_display_list(sizeof(*mtx));
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gfx = alloc_display_list(2 * sizeof(*gfx));
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mtxf_to_mtx(mtx, c);
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gSPMatrix(&gfx[0], VIRTUAL_TO_PHYSICAL(mtx), G_MTX_MODELVIEW | G_MTX_LOAD | G_MTX_NOPUSH);
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gSPBranchList(&gfx[1], VIRTUAL_TO_PHYSICAL(particleList));
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execNode->fnNode.node.flags = (execNode->fnNode.node.flags & 0xFF) | 0x400;
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}
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SET_HIGH_U16_OF_32(*params, gAreaUpdateCounter);
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}
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} else if (callContext == GEO_CONTEXT_AREA_INIT) {
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// Give these arguments some dummy values. Not used in ENVFX_MODE_NONE
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vec3s_copy(camTo, gVec3sZero);
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vec3s_copy(camFrom, gVec3sZero);
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vec3s_copy(marioPos, gVec3sZero);
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envfx_update_particles(ENVFX_MODE_NONE, marioPos, camTo, camFrom);
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}
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return gfx;
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}
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/**
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* Geo function that generates a displaylist for the skybox. Can be assigned
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* as the function of a GraphNodeBackground.
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*/
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Gfx *geo_skybox_main(s32 callContext, struct GraphNode *node, UNUSED Mat4 *mtx) {
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Gfx *gfx = NULL;
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struct GraphNodeBackground *backgroundNode = (struct GraphNodeBackground *) node;
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if (callContext == GEO_CONTEXT_AREA_LOAD) {
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backgroundNode->unused = 0;
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} else if (callContext == GEO_CONTEXT_RENDER) {
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struct GraphNodeCamera *camNode = (struct GraphNodeCamera *) gCurGraphNodeRoot->views[0];
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struct GraphNodePerspective *camFrustum =
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(struct GraphNodePerspective *) camNode->fnNode.node.parent;
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gfx = create_skybox_facing_camera(0, backgroundNode->background, camFrustum->fov, gLakituState.pos[0],
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gLakituState.pos[1], gLakituState.pos[2], gLakituState.focus[0],
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gLakituState.focus[1], gLakituState.focus[2]);
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}
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return gfx;
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}
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