mirror of
https://github.com/bjornbytes/lovr.git
synced 2024-07-08 23:23:38 +00:00
168 lines
5.2 KiB
C
168 lines
5.2 KiB
C
#include "api.h"
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#include "physics/physics.h"
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const char* ShapeTypes[] = {
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[SHAPE_SPHERE] = "sphere",
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[SHAPE_BOX] = "box",
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[SHAPE_CAPSULE] = "capsule",
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[SHAPE_CYLINDER] = "cylinder",
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NULL
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};
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const char* JointTypes[] = {
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[JOINT_BALL] = "ball",
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[JOINT_DISTANCE] = "distance",
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[JOINT_HINGE] = "hinge",
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[JOINT_SLIDER] = "slider",
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NULL
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};
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static int l_lovrPhysicsNewWorld(lua_State* L) {
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float xg = luax_optfloat(L, 1, 0.f);
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float yg = luax_optfloat(L, 2, -9.81f);
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float zg = luax_optfloat(L, 3, 0.f);
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bool allowSleep = lua_gettop(L) < 4 || lua_toboolean(L, 4);
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const char* tags[16];
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int tagCount;
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if (lua_type(L, 5) == LUA_TTABLE) {
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tagCount = lua_objlen(L, 5);
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for (int i = 0; i < tagCount; i++) {
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lua_rawgeti(L, -1, i + 1);
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if (lua_isstring(L, -1)) {
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tags[i] = lua_tostring(L, -1);
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} else {
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return luaL_error(L, "World tags must be a table of strings");
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}
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lua_pop(L, 1);
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}
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} else {
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tagCount = 0;
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}
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World* world = lovrWorldCreate(xg, yg, zg, allowSleep, tags, tagCount);
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luax_pushobject(L, world);
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lovrRelease(world);
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return 1;
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}
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static int l_lovrPhysicsNewBallJoint(lua_State* L) {
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Collider* a = luax_checktype(L, 1, Collider);
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Collider* b = luax_checktype(L, 2, Collider);
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float x = luax_checkfloat(L, 3);
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float y = luax_checkfloat(L, 4);
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float z = luax_checkfloat(L, 5);
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BallJoint* joint = lovrBallJointCreate(a, b, x, y, z);
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luax_pushobject(L, joint);
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lovrRelease(joint);
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return 1;
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}
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static int l_lovrPhysicsNewBoxShape(lua_State* L) {
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float x = luax_optfloat(L, 1, 1.f);
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float y = luax_optfloat(L, 2, x);
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float z = luax_optfloat(L, 3, x);
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BoxShape* box = lovrBoxShapeCreate(x, y, z);
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luax_pushobject(L, box);
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lovrRelease(box);
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return 1;
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}
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static int l_lovrPhysicsNewCapsuleShape(lua_State* L) {
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float radius = luax_optfloat(L, 1, 1.f);
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float length = luax_optfloat(L, 2, 1.f);
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CapsuleShape* capsule = lovrCapsuleShapeCreate(radius, length);
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luax_pushobject(L, capsule);
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lovrRelease(capsule);
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return 1;
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}
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static int l_lovrPhysicsNewCylinderShape(lua_State* L) {
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float radius = luax_optfloat(L, 1, 1.f);
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float length = luax_optfloat(L, 2, 1.f);
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CylinderShape* cylinder = lovrCylinderShapeCreate(radius, length);
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luax_pushobject(L, cylinder);
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lovrRelease(cylinder);
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return 1;
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}
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static int l_lovrPhysicsNewDistanceJoint(lua_State* L) {
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Collider* a = luax_checktype(L, 1, Collider);
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Collider* b = luax_checktype(L, 2, Collider);
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float x1 = luax_checkfloat(L, 3);
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float y1 = luax_checkfloat(L, 4);
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float z1 = luax_checkfloat(L, 5);
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float x2 = luax_checkfloat(L, 6);
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float y2 = luax_checkfloat(L, 7);
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float z2 = luax_checkfloat(L, 8);
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DistanceJoint* joint = lovrDistanceJointCreate(a, b, x1, y1, z1, x2, y2, z2);
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luax_pushobject(L, joint);
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lovrRelease(joint);
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return 1;
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}
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static int l_lovrPhysicsNewHingeJoint(lua_State* L) {
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Collider* a = luax_checktype(L, 1, Collider);
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Collider* b = luax_checktype(L, 2, Collider);
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float x = luax_checkfloat(L, 3);
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float y = luax_checkfloat(L, 4);
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float z = luax_checkfloat(L, 5);
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float ax = luax_checkfloat(L, 6);
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float ay = luax_checkfloat(L, 7);
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float az = luax_checkfloat(L, 8);
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HingeJoint* joint = lovrHingeJointCreate(a, b, x, y, z, ax, ay, az);
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luax_pushobject(L, joint);
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lovrRelease(joint);
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return 1;
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}
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static int l_lovrPhysicsNewSliderJoint(lua_State* L) {
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Collider* a = luax_checktype(L, 1, Collider);
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Collider* b = luax_checktype(L, 2, Collider);
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float ax = luax_checkfloat(L, 3);
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float ay = luax_checkfloat(L, 4);
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float az = luax_checkfloat(L, 5);
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SliderJoint* joint = lovrSliderJointCreate(a, b, ax, ay, az);
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luax_pushobject(L, joint);
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lovrRelease(joint);
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return 1;
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}
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static int l_lovrPhysicsNewSphereShape(lua_State* L) {
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float radius = luax_optfloat(L, 1, 1.f);
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SphereShape* sphere = lovrSphereShapeCreate(radius);
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luax_pushobject(L, sphere);
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lovrRelease(sphere);
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return 1;
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}
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static const luaL_Reg lovrPhysics[] = {
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{ "newWorld", l_lovrPhysicsNewWorld },
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{ "newBallJoint", l_lovrPhysicsNewBallJoint },
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{ "newBoxShape", l_lovrPhysicsNewBoxShape },
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{ "newCapsuleShape", l_lovrPhysicsNewCapsuleShape },
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{ "newCylinderShape", l_lovrPhysicsNewCylinderShape },
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{ "newDistanceJoint", l_lovrPhysicsNewDistanceJoint },
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{ "newHingeJoint", l_lovrPhysicsNewHingeJoint },
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{ "newSliderJoint", l_lovrPhysicsNewSliderJoint },
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{ "newSphereShape", l_lovrPhysicsNewSphereShape },
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{ NULL, NULL }
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};
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int luaopen_lovr_physics(lua_State* L) {
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lua_newtable(L);
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luaL_register(L, NULL, lovrPhysics);
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luax_registertype(L, "World", lovrWorld);
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luax_registertype(L, "Collider", lovrCollider);
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luax_extendtype(L, "Joint", "BallJoint", lovrJoint, lovrBallJoint);
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luax_extendtype(L, "Joint", "DistanceJoint", lovrJoint, lovrDistanceJoint);
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luax_extendtype(L, "Joint", "HingeJoint", lovrJoint, lovrHingeJoint);
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luax_extendtype(L, "Joint", "SliderJoint", lovrJoint, lovrSliderJoint);
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luax_extendtype(L, "Shape", "SphereShape", lovrShape, lovrSphereShape);
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luax_extendtype(L, "Shape", "BoxShape", lovrShape, lovrBoxShape);
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luax_extendtype(L, "Shape", "CapsuleShape", lovrShape, lovrCapsuleShape);
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luax_extendtype(L, "Shape", "CylinderShape", lovrShape, lovrCylinderShape);
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if (lovrPhysicsInit()) {
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luax_atexit(L, lovrPhysicsDestroy);
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}
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return 1;
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}
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