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Differential D5481 Diff 17125 source/blender/nodes/texture/nodes/node_texture_math.c

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source/blender/nodes/texture/nodes/node_texture_math.c

Show All 40 Linesstatic void valuefn(float *out, TexParams *p, bNode *node, bNodeStack **in, short thread)
float in0 = tex_input_value(in[0], p, thread); float in0 = tex_input_value(in[0], p, thread);
float in1 = tex_input_value(in[1], p, thread); float in1 = tex_input_value(in[1], p, thread);
switch (node->custom1) { switch (node->custom1) {
case NODE_MATH_ADD: case NODE_MATH_ADD:
*out = in0 + in1; *out = in0 + in1;
break; break;
case NODE_MATH_SUB: case NODE_MATH_SUBTRACT:
*out = in0 - in1; *out = in0 - in1;
break; break;
case NODE_MATH_MUL: case NODE_MATH_MULTIPLY:
*out = in0 * in1; *out = in0 * in1;
break; break;
case NODE_MATH_DIVIDE: { case NODE_MATH_DIVIDE: {
if (in1 == 0) { if (in1 == 0) {
/* We don't want to divide by zero. */ /* We don't want to divide by zero. */
*out = 0.0; *out = 0.0;
} }
else { else {
*out = in0 / in1; *out = in0 / in1;
} }
break; break;
} }
case NODE_MATH_SIN: { case NODE_MATH_SINE: {
*out = sinf(in0); *out = sinf(in0);
break; break;
} }
case NODE_MATH_COS: { case NODE_MATH_COSINE: {
*out = cosf(in0); *out = cosf(in0);
break; break;
} }
case NODE_MATH_TAN: { case NODE_MATH_TANGENT: {
*out = tanf(in0); *out = tanf(in0);
break; break;
} }
case NODE_MATH_ASIN: { case NODE_MATH_ARCSINE: {
/* Can't do the impossible... */ /* Can't do the impossible... */
if (in0 <= 1 && in0 >= -1) { if (in0 <= 1 && in0 >= -1) {
*out = asinf(in0); *out = asinf(in0);
} }
else { else {
*out = 0.0; *out = 0.0;
} }
break; break;
} }
case NODE_MATH_ACOS: { case NODE_MATH_ARCCOSINE: {
/* Can't do the impossible... */ /* Can't do the impossible... */
if (in0 <= 1 && in0 >= -1) { if (in0 <= 1 && in0 >= -1) {
*out = acosf(in0); *out = acosf(in0);
} }
else { else {
*out = 0.0; *out = 0.0;
} }
break; break;
} }
case NODE_MATH_ATAN: { case NODE_MATH_ARCTANGENT: {
*out = atan(in0); *out = atan(in0);
break; break;
} }
case NODE_MATH_POW: { case NODE_MATH_POWER: {
/* Only raise negative numbers by full integers */ /* Only raise negative numbers by full integers */
if (in0 >= 0) { if (in0 >= 0) {
out[0] = pow(in0, in1); out[0] = pow(in0, in1);
} }
else { else {
float y_mod_1 = fmod(in1, 1); float y_mod_1 = fmod(in1, 1);
if (y_mod_1 > 0.999f || y_mod_1 < 0.001f) { if (y_mod_1 > 0.999f || y_mod_1 < 0.001f) {
*out = pow(in0, floor(in1 + 0.5f)); *out = pow(in0, floor(in1 + 0.5f));
} }
else { else {
*out = 0.0; *out = 0.0;
} }
} }
break; break;
} }
case NODE_MATH_LOG: { case NODE_MATH_LOGARITHM: {
/* Don't want any imaginary numbers... */ /* Don't want any imaginary numbers... */
if (in0 > 0 && in1 > 0) { if (in0 > 0 && in1 > 0) {
*out = log(in0) / log(in1); *out = log(in0) / log(in1);
} }
else { else {
*out = 0.0; *out = 0.0;
} }
break; break;
} }
case NODE_MATH_MIN: { case NODE_MATH_MINIMUM: {
if (in0 < in1) { if (in0 < in1) {
*out = in0; *out = in0;
} }
else { else {
*out = in1; *out = in1;
} }
break; break;
} }
case NODE_MATH_MAX: { case NODE_MATH_MAXIMUM: {
if (in0 > in1) { if (in0 > in1) {
*out = in0; *out = in0;
} }
else { else {
*out = in1; *out = in1;
} }
break; break;
} }
case NODE_MATH_ROUND: { case NODE_MATH_ROUND: {
*out = (in0 < 0) ? (int)(in0 - 0.5f) : (int)(in0 + 0.5f); *out = (in0 < 0) ? (int)(in0 - 0.5f) : (int)(in0 + 0.5f);
break; break;
} }
case NODE_MATH_LESS: { case NODE_MATH_LESS_THAN: {
if (in0 < in1) { if (in0 < in1) {
*out = 1.0f; *out = 1.0f;
} }
else { else {
*out = 0.0f; *out = 0.0f;
} }
break; break;
} }
case NODE_MATH_GREATER: { case NODE_MATH_GREATER_THAN: {
if (in0 > in1) { if (in0 > in1) {
*out = 1.0f; *out = 1.0f;
} }
else { else {
*out = 0.0f; *out = 0.0f;
} }
break; break;
} }
case NODE_MATH_MOD: { case NODE_MATH_MODULO: {
if (in1 == 0.0f) { if (in1 == 0.0f) {
*out = 0.0f; *out = 0.0f;
} }
else { else {
*out = fmod(in0, in1); *out = fmod(in0, in1);
} }
break; break;
} }
case NODE_MATH_ABS: { case NODE_MATH_ABSOLUTE: {
*out = fabsf(in0); *out = fabsf(in0);
break; break;
} }
case NODE_MATH_ATAN2: { case NODE_MATH_ARCTAN2: {
*out = atan2(in0, in1); *out = atan2(in0, in1);
break; break;
} }
case NODE_MATH_FLOOR: { case NODE_MATH_FLOOR: {
*out = floorf(in0); *out = floorf(in0);
break; break;
} }
case NODE_MATH_CEIL: { case NODE_MATH_CEIL: {
*out = ceilf(in0); *out = ceilf(in0);
break; break;
} }
case NODE_MATH_FRACT: { case NODE_MATH_FRACTION: {
*out = in0 - floorf(in0); *out = in0 - floorf(in0);
break; break;
} }
case NODE_MATH_SQRT: { case NODE_MATH_SQRT: {
if (in0 > 0.0f) { if (in0 > 0.0f) {
*out = sqrtf(in0); *out = sqrtf(in0);
} }
Show All 39 Lines