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Validate input in (CPU)Particles set_emission_shape()

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Fixes #29777.

Co-authored-by: Cameron Reikes <cameronreikes@gmail.com>
This commit is contained in:
Rémi Verschelde
2020-01-16 10:59:01 +01:00
parent 3af0400a32
commit 1de633205f
11 changed files with 34 additions and 7 deletions
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13
scene/resources/particles_material.cpp
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@@ -198,6 +198,9 @@ void ParticlesMaterial::_update_shader() {
code += "uniform sampler2D emission_texture_color : hint_white;\n";
}
} break;
case EMISSION_SHAPE_MAX: { // Max value for validity check.
break;
}
}
code += "uniform vec4 color_value : hint_color;\n";
@@ -283,7 +286,7 @@ void ParticlesMaterial::_update_shader() {
code += " float degree_to_rad = pi / 180.0;\n";
code += "\n";
if (emission_shape >= EMISSION_SHAPE_POINTS) {
if (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_POINTS) {
code += " int point = min(emission_texture_point_count - 1, int(rand_from_seed(alt_seed) * float(emission_texture_point_count)));\n";
code += " ivec2 emission_tex_size = textureSize(emission_texture_points, 0);\n";
code += " ivec2 emission_tex_ofs = ivec2(point % emission_tex_size.x, point / emission_tex_size.x);\n";
@@ -368,6 +371,9 @@ void ParticlesMaterial::_update_shader() {
}
}
} break;
case EMISSION_SHAPE_MAX: { // Max value for validity check.
break;
}
}
code += " VELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY, 0.0)).xyz;\n";
code += " TRANSFORM = EMISSION_TRANSFORM * TRANSFORM;\n";
@@ -515,7 +521,7 @@ void ParticlesMaterial::_update_shader() {
} else {
code += " COLOR = hue_rot_mat * color_value;\n";
}
if (emission_color_texture.is_valid() && emission_shape >= EMISSION_SHAPE_POINTS) {
if (emission_color_texture.is_valid() && (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_POINTS)) {
code += " COLOR *= texelFetch(emission_texture_color, emission_tex_ofs, 0);\n";
}
if (trail_color_modifier.is_valid()) {
@@ -894,7 +900,7 @@ bool ParticlesMaterial::get_flag(Flags p_flag) const {
}
void ParticlesMaterial::set_emission_shape(EmissionShape p_shape) {
ERR_FAIL_INDEX(p_shape, EMISSION_SHAPE_MAX);
emission_shape = p_shape;
_change_notify();
_queue_shader_change();
@@ -1242,6 +1248,7 @@ void ParticlesMaterial::_bind_methods() {
BIND_ENUM_CONSTANT(EMISSION_SHAPE_BOX);
BIND_ENUM_CONSTANT(EMISSION_SHAPE_POINTS);
BIND_ENUM_CONSTANT(EMISSION_SHAPE_DIRECTED_POINTS);
BIND_ENUM_CONSTANT(EMISSION_SHAPE_MAX);
}
ParticlesMaterial::ParticlesMaterial() :