[Bf-blender-cvs] [cadbfa590a1] blender2.8: Static Override/RNA diffing: Use a nasty macro to factorize a bit the code.

Bastien Montagne noreply at git.blender.org
Thu May 17 17:10:45 CEST 2018


Commit: cadbfa590a14fdb3fde0751ce4a6ada01abd6e9c
Author: Bastien Montagne
Date:   Thu May 17 17:06:08 2018 +0200
Branches: blender2.8
https://developer.blender.org/rBcadbfa590a14fdb3fde0751ce4a6ada01abd6e9c

Static Override/RNA diffing: Use a nasty macro to factorize a bit the code.

This piece of code remains annoyingly verbose, but at least now we do
not have anymore twice the same logic duplicated between single array
element handling, and non-array properties.

===================================================================

M	source/blender/makesrna/intern/rna_rna.c

===================================================================

diff --git a/source/blender/makesrna/intern/rna_rna.c b/source/blender/makesrna/intern/rna_rna.c
index 8cd0f94f546..234676379ee 100644
--- a/source/blender/makesrna/intern/rna_rna.c
+++ b/source/blender/makesrna/intern/rna_rna.c
@@ -1253,6 +1253,15 @@ static int rna_property_override_diff_propptr(
 	}
 }
 
+
+
+#define RNA_PROPERTY_GET_SINGLE(_typename, _ptr, _prop, _index) \
+	(is_array ? RNA_property_##_typename##_get_index((_ptr), (_prop), (_index)) : \
+	            RNA_property_##_typename##_get((_ptr), (_prop)))
+#define RNA_PROPERTY_SET_SINGLE(_typename, _ptr, _prop, _index, _value) \
+	(is_array ? RNA_property_##_typename##_set_index((_ptr), (_prop), (_index), (_value)) : \
+	            RNA_property_##_typename##_set((_ptr), (_prop), (_value)))
+
 int rna_property_override_diff_default(PointerRNA *ptr_a, PointerRNA *ptr_b,
         PropertyRNA *prop_a, PropertyRNA *prop_b,
         const int len_a, const int len_b,
@@ -1733,7 +1742,8 @@ bool rna_property_override_store_default(
 	UNUSED_VARS_NDEBUG(len_reference, len_storage);
 
 	bool changed = false;
-	const int index = opop->subitem_reference_index;
+	const bool is_array = len_local > 0;
+	const int index = is_array ? opop->subitem_reference_index : 0;
 
 	if (!ELEM(opop->operation, IDOVERRIDESTATIC_OP_ADD, IDOVERRIDESTATIC_OP_SUBTRACT, IDOVERRIDESTATIC_OP_MULTIPLY)) {
 		return changed;
@@ -1756,84 +1766,55 @@ bool rna_property_override_store_default(
 			int prop_min, prop_max;
 			RNA_property_int_range(ptr_local, prop_local, &prop_min, &prop_max);
 
-			if (len_local) {
-				if (index == -1) {
-					int array_stack_a[RNA_STACK_ARRAY], array_stack_b[RNA_STACK_ARRAY];
-					int *array_a, *array_b;
+			if (is_array && index == -1) {
+				int array_stack_a[RNA_STACK_ARRAY], array_stack_b[RNA_STACK_ARRAY];
+				int *array_a, *array_b;
 
-					array_a = (len_local > RNA_STACK_ARRAY) ? MEM_mallocN(sizeof(*array_a) * len_local, __func__) : array_stack_a;
-					RNA_property_int_get_array(ptr_reference, prop_reference, array_a);
+				array_a = (len_local > RNA_STACK_ARRAY) ? MEM_mallocN(sizeof(*array_a) * len_local, __func__) : array_stack_a;
+				RNA_property_int_get_array(ptr_reference, prop_reference, array_a);
 
-					switch (opop->operation) {
-						case IDOVERRIDESTATIC_OP_ADD:
-						case IDOVERRIDESTATIC_OP_SUBTRACT:
-						{
-							const int fac = opop->operation == IDOVERRIDESTATIC_OP_ADD ? 1 : -1;
-							const int other_op = opop->operation == IDOVERRIDESTATIC_OP_ADD ? IDOVERRIDESTATIC_OP_SUBTRACT : IDOVERRIDESTATIC_OP_ADD;
-							bool do_set = true;
-							array_b = (len_local > RNA_STACK_ARRAY) ? MEM_mallocN(sizeof(*array_b) * len_local, __func__) : array_stack_b;
-							RNA_property_int_get_array(ptr_local, prop_local, array_b);
-							for (int i = len_local; i--;) {
-								array_b[i] = fac * (array_b[i] - array_a[i]);
-								if (array_b[i] < prop_min || array_b[i] > prop_max) {
-									opop->operation = other_op;
-									for (int j = len_local; j--;) {
-										array_b[j] = j >= i ? -array_b[j] : fac * (array_a[j] - array_b[j]);
-										if (array_b[j] < prop_min || array_b[j] > prop_max) {
-											/* We failed to  find a suitable diff op,
-											 * fall back to plain REPLACE one. */
-											opop->operation = IDOVERRIDESTATIC_OP_REPLACE;
-											do_set = false;
-											break;
-										}
+				switch (opop->operation) {
+					case IDOVERRIDESTATIC_OP_ADD:
+					case IDOVERRIDESTATIC_OP_SUBTRACT:
+					{
+						const int fac = opop->operation == IDOVERRIDESTATIC_OP_ADD ? 1 : -1;
+						const int other_op = opop->operation == IDOVERRIDESTATIC_OP_ADD ? IDOVERRIDESTATIC_OP_SUBTRACT : IDOVERRIDESTATIC_OP_ADD;
+						bool do_set = true;
+						array_b = (len_local > RNA_STACK_ARRAY) ? MEM_mallocN(sizeof(*array_b) * len_local, __func__) : array_stack_b;
+						RNA_property_int_get_array(ptr_local, prop_local, array_b);
+						for (int i = len_local; i--;) {
+							array_b[i] = fac * (array_b[i] - array_a[i]);
+							if (array_b[i] < prop_min || array_b[i] > prop_max) {
+								opop->operation = other_op;
+								for (int j = len_local; j--;) {
+									array_b[j] = j >= i ? -array_b[j] : fac * (array_a[j] - array_b[j]);
+									if (array_b[j] < prop_min || array_b[j] > prop_max) {
+										/* We failed to  find a suitable diff op,
+										 * fall back to plain REPLACE one. */
+										opop->operation = IDOVERRIDESTATIC_OP_REPLACE;
+										do_set = false;
+										break;
 									}
-									break;
 								}
+								break;
 							}
-							if (do_set) {
-								changed = true;
-								RNA_property_int_set_array(ptr_storage, prop_storage, array_b);
-							}
-							if (array_b != array_stack_b) MEM_freeN(array_b);
-							break;
 						}
-						default:
-							BLI_assert(0 && "Unsupported RNA override diff operation on integer");
-							break;
-					}
-
-					if (array_a != array_stack_a) MEM_freeN(array_a);
-				}
-				else {
-					const int value = RNA_property_int_get_index(ptr_reference, prop_reference, index);
-
-					switch (opop->operation) {
-						case IDOVERRIDESTATIC_OP_ADD:
-						case IDOVERRIDESTATIC_OP_SUBTRACT:
-						{
-							const int fac = opop->operation == IDOVERRIDESTATIC_OP_ADD ? 1 : -1;
-							const int other_op = opop->operation == IDOVERRIDESTATIC_OP_ADD ? IDOVERRIDESTATIC_OP_SUBTRACT : IDOVERRIDESTATIC_OP_ADD;
-							int b = fac * (RNA_property_int_get_index(ptr_local, prop_local, index) - value);
-							if (b < prop_min || b > prop_max) {
-								opop->operation = other_op;
-								b = -b;
-								if (b < prop_min || b > prop_max) {
-									opop->operation = IDOVERRIDESTATIC_OP_REPLACE;
-									break;
-								}
-							}
+						if (do_set) {
 							changed = true;
-							RNA_property_int_set_index(ptr_storage, prop_storage, index, b);
-							break;
+							RNA_property_int_set_array(ptr_storage, prop_storage, array_b);
 						}
-						default:
-							BLI_assert(0 && "Unsupported RNA override diff operation on integer");
-							break;
+						if (array_b != array_stack_b) MEM_freeN(array_b);
+						break;
 					}
+					default:
+						BLI_assert(0 && "Unsupported RNA override diff operation on integer");
+						break;
 				}
+
+				if (array_a != array_stack_a) MEM_freeN(array_a);
 			}
 			else {
-				const int value = RNA_property_int_get(ptr_reference, prop_reference);
+				const int value = RNA_PROPERTY_GET_SINGLE(int, ptr_reference, prop_reference, index);
 
 				switch (opop->operation) {
 					case IDOVERRIDESTATIC_OP_ADD:
@@ -1841,7 +1822,7 @@ bool rna_property_override_store_default(
 					{
 						const int fac = opop->operation == IDOVERRIDESTATIC_OP_ADD ? 1 : -1;
 						const int other_op = opop->operation == IDOVERRIDESTATIC_OP_ADD ? IDOVERRIDESTATIC_OP_SUBTRACT : IDOVERRIDESTATIC_OP_ADD;
-						int b = fac * (RNA_property_int_get(ptr_local, prop_local) - value);
+						int b = fac * (RNA_PROPERTY_GET_SINGLE(int, ptr_local, prop_local, index) - value);
 						if (b < prop_min || b > prop_max) {
 							opop->operation = other_op;
 							b = -b;
@@ -1851,7 +1832,7 @@ bool rna_property_override_store_default(
 							}
 						}
 						changed = true;
-						RNA_property_int_set(ptr_storage, prop_storage, b);
+						RNA_PROPERTY_SET_SINGLE(int, ptr_storage, prop_storage, index, b);
 						break;
 					}
 					default:
@@ -1866,115 +1847,75 @@ bool rna_property_override_store_default(
 			float prop_min, prop_max;
 			RNA_property_float_range(ptr_local, prop_local, &prop_min, &prop_max);
 
-			if (len_local) {
-				if (index == -1) {
-					float array_stack_a[RNA_STACK_ARRAY], array_stack_b[RNA_STACK_ARRAY];
-					float *array_a, *array_b;
+			if (is_array && index == -1) {
+				float array_stack_a[RNA_STACK_ARRAY], array_stack_b[RNA_STACK_ARRAY];
+				float *array_a, *array_b;
 
-					array_a = (len_local > RNA_STACK_ARRAY) ? MEM_mallocN(sizeof(*array_a) * len_local, __func__) : array_stack_a;
+				array_a = (len_local > RNA_STACK_ARRAY) ? MEM_mallocN(sizeof(*array_a) * len_local, __func__) : array_stack_a;
 
-					RNA_property_float_get_array(ptr_reference, prop_reference, array_a);
-					switch (opop->operation) {
-						case IDOVERRIDESTATIC_OP_ADD:
-						case IDOVERRIDESTATIC_OP_SUBTRACT:
-						{
-							const float fac = opop->operation == IDOVERRIDESTATIC_OP_ADD ? 1.0 : -1.0;
-							const int other_op = opop->operation == IDOVERRIDESTATIC_OP_ADD ? IDOVERRIDESTATIC_OP_SUBTRACT : IDOVERRIDESTATIC_OP_ADD;
-							bool do_set = true;
-							array_b = (len_local > RNA_STACK_ARRAY) ? MEM_mallocN(sizeof(*array_b) * len_local, __func__) : array_stack_b;
-							RNA_property_float_get_array(ptr_local, prop_local, array_b);
-							for (int i = len_local; i--;) {
-								array_b[i] = fac * (array_b[i] - array_a[i]);
-								if (array_b[i] < prop_min || array_b[i] > prop_max) {
-									opop->operation = other_op;
-									for (int j = len_local; j--;) {
-										array_b[j] = j >= i ? -array_b[j] : fac * (array_a[j] - array_b[j]);
-										if (array_b[j] < prop_min || array_b[j] > prop_max) {
-											/* We failed to  find a suitable diff op,
-											 * fall back to plain REPLACE one. */
-											opop->operation = IDOVERRIDESTATIC_OP_REPLACE;
-											do_set = false;
-											break;
-										}
+				RNA_property_float_get_array(ptr_reference, prop_reference, array_a);
+				switch (opop->operation) {
+					case IDOVERRIDESTATIC_OP_ADD:
+					case IDOVERRIDESTATIC_OP_SUBTRACT:
+					{
+						const float fac = opop->operation == IDOVERRIDESTATIC_OP_ADD ? 1.0 : -1.0;
+						const int other_op = opop->operation == IDOVERRIDESTATIC_OP_ADD ? IDOVERRIDESTATIC_OP_SUBTRACT : IDOVERRIDESTATIC_OP_ADD;
+						bool do_set = true;
+						array_b = (len_local > RNA_STACK_ARRAY) ? MEM_mallocN(sizeof(*array_b) * len_local, __func__) : array_stack_b;
+						RNA_property_float_get_array(ptr_local, prop_local, array_b);
+						for (int i = len_local; i--;) {
+							array_b[i] = fac * (array_b[i] - array_a[i]);
+							if (array_b[i] < prop_min || array_b[i] > prop_max) {
+								opop->operation = other_op;
+								for (int j = len_local; j--;) {
+									array_b[j] = j >= i ? -array_b[j] : fac * (array_a[j] - array_b[j]);
+									if (array_b[j] < prop_mi

@@ Diff output truncated at 10240 characters. @@



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